Home / 62,981.24-94,471.86-21,428.28

Finding the Fourth Proportional to 62,981.24, 94,471.86 and 21,428.28

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Solution

The fourth proportional to 62,981.24, 94,471.86 and 21,428.28 is: 32,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,981.24 : 94,471.86 = 21,428.28 : x
  2. Step 2: Convert to fraction form
    62,981.24/94,471.86 = 21,428.28/x
  3. Step 3: Cross multiply
    62,981.24x = 94,471.86 × 21,428.28
  4. Step 4: Simplify right side
    62,981.24x = 2,024,369,468.20
  5. Step 5: Solve for x
    x = 2,024,369,468.20/62,981.24
  6. Step 6: Final answer
    x = 32,142.42

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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.