Home / 42,292.55-63,438.80-39,490.04

Finding the Fourth Proportional to 42,292.55, 63,438.80 and 39,490.04

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Solution

The fourth proportional to 42,292.55, 63,438.80 and 39,490.04 is: 59,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,292.55 : 63,438.80 = 39,490.04 : x
  2. Step 2: Convert to fraction form
    42,292.55/63,438.80 = 39,490.04/x
  3. Step 3: Cross multiply
    42,292.55x = 63,438.80 × 39,490.04
  4. Step 4: Simplify right side
    42,292.55x = 2,505,200,531.08
  5. Step 5: Solve for x
    x = 2,505,200,531.08/42,292.55
  6. Step 6: Final answer
    x = 59,235.03

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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.