Home / 57,554.20-86,331.30-15,434.20

Finding the Fourth Proportional to 57,554.20, 86,331.30 and 15,434.20

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Solution

The fourth proportional to 57,554.20, 86,331.30 and 15,434.20 is: 23,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.20 : 86,331.30 = 15,434.20 : x
  2. Step 2: Convert to fraction form
    57,554.20/86,331.30 = 15,434.20/x
  3. Step 3: Cross multiply
    57,554.20x = 86,331.30 × 15,434.20
  4. Step 4: Simplify right side
    57,554.20x = 1,332,454,550.46
  5. Step 5: Solve for x
    x = 1,332,454,550.46/57,554.20
  6. Step 6: Final answer
    x = 23,151.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.