Home / 42,001.30-57,961.29-23,138.02

Finding the Fourth Proportional to 42,001.30, 57,961.29 and 23,138.02

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Solution

The fourth proportional to 42,001.30, 57,961.29 and 23,138.02 is: 31,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.30 : 57,961.29 = 23,138.02 : x
  2. Step 2: Convert to fraction form
    42,001.30/57,961.29 = 23,138.02/x
  3. Step 3: Cross multiply
    42,001.30x = 57,961.29 × 23,138.02
  4. Step 4: Simplify right side
    42,001.30x = 1,341,109,487.25
  5. Step 5: Solve for x
    x = 1,341,109,487.25/42,001.30
  6. Step 6: Final answer
    x = 31,930.19

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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.