Home / 42,540.53-63,810.80-17,553.13

Finding the Fourth Proportional to 42,540.53, 63,810.80 and 17,553.13

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Solution

The fourth proportional to 42,540.53, 63,810.80 and 17,553.13 is: 26,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,540.53 : 63,810.80 = 17,553.13 : x
  2. Step 2: Convert to fraction form
    42,540.53/63,810.80 = 17,553.13/x
  3. Step 3: Cross multiply
    42,540.53x = 63,810.80 × 17,553.13
  4. Step 4: Simplify right side
    42,540.53x = 1,120,079,267.80
  5. Step 5: Solve for x
    x = 1,120,079,267.80/42,540.53
  6. Step 6: Final answer
    x = 26,329.70

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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.