Home / 42,554.88-63,839.24-12,572.16

Finding the Fourth Proportional to 42,554.88, 63,839.24 and 12,572.16

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Solution

The fourth proportional to 42,554.88, 63,839.24 and 12,572.16 is: 18,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,554.88 : 63,839.24 = 12,572.16 : x
  2. Step 2: Convert to fraction form
    42,554.88/63,839.24 = 12,572.16/x
  3. Step 3: Cross multiply
    42,554.88x = 63,839.24 × 12,572.16
  4. Step 4: Simplify right side
    42,554.88x = 802,597,139.56
  5. Step 5: Solve for x
    x = 802,597,139.56/42,554.88
  6. Step 6: Final answer
    x = 18,860.28

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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.