Home / 42,001.02-57,961.44-23,138.15

Finding the Fourth Proportional to 42,001.02, 57,961.44 and 23,138.15

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Solution

The fourth proportional to 42,001.02, 57,961.44 and 23,138.15 is: 31,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.02 : 57,961.44 = 23,138.15 : x
  2. Step 2: Convert to fraction form
    42,001.02/57,961.44 = 23,138.15/x
  3. Step 3: Cross multiply
    42,001.02x = 57,961.44 × 23,138.15
  4. Step 4: Simplify right side
    42,001.02x = 1,341,120,203.13
  5. Step 5: Solve for x
    x = 1,341,120,203.13/42,001.02
  6. Step 6: Final answer
    x = 31,930.66

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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.