Home / 42,028.38-57,998.40-22,908.32

Finding the Fourth Proportional to 42,028.38, 57,998.40 and 22,908.32

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Solution

The fourth proportional to 42,028.38, 57,998.40 and 22,908.32 is: 31,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.38 : 57,998.40 = 22,908.32 : x
  2. Step 2: Convert to fraction form
    42,028.38/57,998.40 = 22,908.32/x
  3. Step 3: Cross multiply
    42,028.38x = 57,998.40 × 22,908.32
  4. Step 4: Simplify right side
    42,028.38x = 1,328,645,906.69
  5. Step 5: Solve for x
    x = 1,328,645,906.69/42,028.38
  6. Step 6: Final answer
    x = 31,613.06

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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.