Home / 45,415.80-62,675.25-28,414.59

Finding the Fourth Proportional to 45,415.80, 62,675.25 and 28,414.59

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Solution

The fourth proportional to 45,415.80, 62,675.25 and 28,414.59 is: 39,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.80 : 62,675.25 = 28,414.59 : x
  2. Step 2: Convert to fraction form
    45,415.80/62,675.25 = 28,414.59/x
  3. Step 3: Cross multiply
    45,415.80x = 62,675.25 × 28,414.59
  4. Step 4: Simplify right side
    45,415.80x = 1,780,891,531.90
  5. Step 5: Solve for x
    x = 1,780,891,531.90/45,415.80
  6. Step 6: Final answer
    x = 39,213.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.