Home / 42,327.52-63,485.16-29,638.80

Finding the Fourth Proportional to 42,327.52, 63,485.16 and 29,638.80

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Solution

The fourth proportional to 42,327.52, 63,485.16 and 29,638.80 is: 44,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,327.52 : 63,485.16 = 29,638.80 : x
  2. Step 2: Convert to fraction form
    42,327.52/63,485.16 = 29,638.80/x
  3. Step 3: Cross multiply
    42,327.52x = 63,485.16 × 29,638.80
  4. Step 4: Simplify right side
    42,327.52x = 1,881,623,960.21
  5. Step 5: Solve for x
    x = 1,881,623,960.21/42,327.52
  6. Step 6: Final answer
    x = 44,453.91

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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.