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Finding the Fourth Proportional to 42,169.25, 63,264.25 and 29,713.60

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Solution

The fourth proportional to 42,169.25, 63,264.25 and 29,713.60 is: 44,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.25 : 63,264.25 = 29,713.60 : x
  2. Step 2: Convert to fraction form
    42,169.25/63,264.25 = 29,713.60/x
  3. Step 3: Cross multiply
    42,169.25x = 63,264.25 × 29,713.60
  4. Step 4: Simplify right side
    42,169.25x = 1,879,808,302.48
  5. Step 5: Solve for x
    x = 1,879,808,302.48/42,169.25
  6. Step 6: Final answer
    x = 44,577.71

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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.