Home / 42,027.16-57,979.10-30,086.14

Finding the Fourth Proportional to 42,027.16, 57,979.10 and 30,086.14

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Solution

The fourth proportional to 42,027.16, 57,979.10 and 30,086.14 is: 41,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,027.16 : 57,979.10 = 30,086.14 : x
  2. Step 2: Convert to fraction form
    42,027.16/57,979.10 = 30,086.14/x
  3. Step 3: Cross multiply
    42,027.16x = 57,979.10 × 30,086.14
  4. Step 4: Simplify right side
    42,027.16x = 1,744,367,319.67
  5. Step 5: Solve for x
    x = 1,744,367,319.67/42,027.16
  6. Step 6: Final answer
    x = 41,505.71

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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.