Home / 42,001.03-57,961.41-23,138.16

Finding the Fourth Proportional to 42,001.03, 57,961.41 and 23,138.16

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Solution

The fourth proportional to 42,001.03, 57,961.41 and 23,138.16 is: 31,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.03 : 57,961.41 = 23,138.16 : x
  2. Step 2: Convert to fraction form
    42,001.03/57,961.41 = 23,138.16/x
  3. Step 3: Cross multiply
    42,001.03x = 57,961.41 × 23,138.16
  4. Step 4: Simplify right side
    42,001.03x = 1,341,120,378.41
  5. Step 5: Solve for x
    x = 1,341,120,378.41/42,001.03
  6. Step 6: Final answer
    x = 31,930.65

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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.