Home / 57,929.56-86,901.18-18,472.84

Finding the Fourth Proportional to 57,929.56, 86,901.18 and 18,472.84

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Solution

The fourth proportional to 57,929.56, 86,901.18 and 18,472.84 is: 27,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.56 : 86,901.18 = 18,472.84 : x
  2. Step 2: Convert to fraction form
    57,929.56/86,901.18 = 18,472.84/x
  3. Step 3: Cross multiply
    57,929.56x = 86,901.18 × 18,472.84
  4. Step 4: Simplify right side
    57,929.56x = 1,605,311,593.95
  5. Step 5: Solve for x
    x = 1,605,311,593.95/57,929.56
  6. Step 6: Final answer
    x = 27,711.44

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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.