Home / 39,631.86-59,306.13-34,428.15

Finding the Fourth Proportional to 39,631.86, 59,306.13 and 34,428.15

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Solution

The fourth proportional to 39,631.86, 59,306.13 and 34,428.15 is: 51,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.86 : 59,306.13 = 34,428.15 : x
  2. Step 2: Convert to fraction form
    39,631.86/59,306.13 = 34,428.15/x
  3. Step 3: Cross multiply
    39,631.86x = 59,306.13 × 34,428.15
  4. Step 4: Simplify right side
    39,631.86x = 2,041,800,339.56
  5. Step 5: Solve for x
    x = 2,041,800,339.56/39,631.86
  6. Step 6: Final answer
    x = 51,519.17

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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.