Home / 42,542.55-63,811.49-12,957.91

Finding the Fourth Proportional to 42,542.55, 63,811.49 and 12,957.91

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Solution

The fourth proportional to 42,542.55, 63,811.49 and 12,957.91 is: 19,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.55 : 63,811.49 = 12,957.91 : x
  2. Step 2: Convert to fraction form
    42,542.55/63,811.49 = 12,957.91/x
  3. Step 3: Cross multiply
    42,542.55x = 63,811.49 × 12,957.91
  4. Step 4: Simplify right side
    42,542.55x = 826,863,544.39
  5. Step 5: Solve for x
    x = 826,863,544.39/42,542.55
  6. Step 6: Final answer
    x = 19,436.15

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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.