Home / 38,101.32-52,586.22-22,195.20

Finding the Fourth Proportional to 38,101.32, 52,586.22 and 22,195.20

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Solution

The fourth proportional to 38,101.32, 52,586.22 and 22,195.20 is: 30,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.32 : 52,586.22 = 22,195.20 : x
  2. Step 2: Convert to fraction form
    38,101.32/52,586.22 = 22,195.20/x
  3. Step 3: Cross multiply
    38,101.32x = 52,586.22 × 22,195.20
  4. Step 4: Simplify right side
    38,101.32x = 1,167,161,670.14
  5. Step 5: Solve for x
    x = 1,167,161,670.14/38,101.32
  6. Step 6: Final answer
    x = 30,633.10

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Double scale
Find fourth proportional to 38,102.32, 52,587.60 and 22,196.20
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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.