Home / 39,891.27-59,832.24-10,306.78

Finding the Fourth Proportional to 39,891.27, 59,832.24 and 10,306.78

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Solution

The fourth proportional to 39,891.27, 59,832.24 and 10,306.78 is: 15,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.27 : 59,832.24 = 10,306.78 : x
  2. Step 2: Convert to fraction form
    39,891.27/59,832.24 = 10,306.78/x
  3. Step 3: Cross multiply
    39,891.27x = 59,832.24 × 10,306.78
  4. Step 4: Simplify right side
    39,891.27x = 616,677,734.59
  5. Step 5: Solve for x
    x = 616,677,734.59/39,891.27
  6. Step 6: Final answer
    x = 15,458.96

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1.5x scale

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.