Home / 38,431.24-53,048.34-22,520.84

Finding the Fourth Proportional to 38,431.24, 53,048.34 and 22,520.84

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Solution

The fourth proportional to 38,431.24, 53,048.34 and 22,520.84 is: 31,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.24 : 53,048.34 = 22,520.84 : x
  2. Step 2: Convert to fraction form
    38,431.24/53,048.34 = 22,520.84/x
  3. Step 3: Cross multiply
    38,431.24x = 53,048.34 × 22,520.84
  4. Step 4: Simplify right side
    38,431.24x = 1,194,693,177.41
  5. Step 5: Solve for x
    x = 1,194,693,177.41/38,431.24
  6. Step 6: Final answer
    x = 31,086.51

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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.