Home / 38,431.06-53,040.22-22,520.63

Finding the Fourth Proportional to 38,431.06, 53,040.22 and 22,520.63

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Solution

The fourth proportional to 38,431.06, 53,040.22 and 22,520.63 is: 31,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.06 : 53,040.22 = 22,520.63 : x
  2. Step 2: Convert to fraction form
    38,431.06/53,040.22 = 22,520.63/x
  3. Step 3: Cross multiply
    38,431.06x = 53,040.22 × 22,520.63
  4. Step 4: Simplify right side
    38,431.06x = 1,194,499,246.04
  5. Step 5: Solve for x
    x = 1,194,499,246.04/38,431.06
  6. Step 6: Final answer
    x = 31,081.61

Related Problems

Find fourth proportional to 19,215.53, 26,520.11 and 11,260.32
Half scale
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Double scale
Find fourth proportional to 38,432.06, 53,041.60 and 22,521.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.