Home / 42,157.55-58,187.15-27,819.95

Finding the Fourth Proportional to 42,157.55, 58,187.15 and 27,819.95

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Solution

The fourth proportional to 42,157.55, 58,187.15 and 27,819.95 is: 38,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.55 : 58,187.15 = 27,819.95 : x
  2. Step 2: Convert to fraction form
    42,157.55/58,187.15 = 27,819.95/x
  3. Step 3: Cross multiply
    42,157.55x = 58,187.15 × 27,819.95
  4. Step 4: Simplify right side
    42,157.55x = 1,618,763,173.61
  5. Step 5: Solve for x
    x = 1,618,763,173.61/42,157.55
  6. Step 6: Final answer
    x = 38,397.95

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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.