Home / 42,425.20-58,520.60-27,312.88

Finding the Fourth Proportional to 42,425.20, 58,520.60 and 27,312.88

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Solution

The fourth proportional to 42,425.20, 58,520.60 and 27,312.88 is: 37,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425.20 : 58,520.60 = 27,312.88 : x
  2. Step 2: Convert to fraction form
    42,425.20/58,520.60 = 27,312.88/x
  3. Step 3: Cross multiply
    42,425.20x = 58,520.60 × 27,312.88
  4. Step 4: Simplify right side
    42,425.20x = 1,598,366,125.33
  5. Step 5: Solve for x
    x = 1,598,366,125.33/42,425.20
  6. Step 6: Final answer
    x = 37,674.92

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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.