Home / 39,680.80-59,521.14-16,290.76

Finding the Fourth Proportional to 39,680.80, 59,521.14 and 16,290.76

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Solution

The fourth proportional to 39,680.80, 59,521.14 and 16,290.76 is: 24,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,680.80 : 59,521.14 = 16,290.76 : x
  2. Step 2: Convert to fraction form
    39,680.80/59,521.14 = 16,290.76/x
  3. Step 3: Cross multiply
    39,680.80x = 59,521.14 × 16,290.76
  4. Step 4: Simplify right side
    39,680.80x = 969,644,606.67
  5. Step 5: Solve for x
    x = 969,644,606.67/39,680.80
  6. Step 6: Final answer
    x = 24,436.12

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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.