Home / 42,548.31-63,822.51-11,382.75

Finding the Fourth Proportional to 42,548.31, 63,822.51 and 11,382.75

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Solution

The fourth proportional to 42,548.31, 63,822.51 and 11,382.75 is: 17,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.31 : 63,822.51 = 11,382.75 : x
  2. Step 2: Convert to fraction form
    42,548.31/63,822.51 = 11,382.75/x
  3. Step 3: Cross multiply
    42,548.31x = 63,822.51 × 11,382.75
  4. Step 4: Simplify right side
    42,548.31x = 726,475,675.70
  5. Step 5: Solve for x
    x = 726,475,675.70/42,548.31
  6. Step 6: Final answer
    x = 17,074.14

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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.