Home / 42,002.60-57,963.30-23,139.56

Finding the Fourth Proportional to 42,002.60, 57,963.30 and 23,139.56

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Solution

The fourth proportional to 42,002.60, 57,963.30 and 23,139.56 is: 31,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.60 : 57,963.30 = 23,139.56 : x
  2. Step 2: Convert to fraction form
    42,002.60/57,963.30 = 23,139.56/x
  3. Step 3: Cross multiply
    42,002.60x = 57,963.30 × 23,139.56
  4. Step 4: Simplify right side
    42,002.60x = 1,341,245,258.15
  5. Step 5: Solve for x
    x = 1,341,245,258.15/42,002.60
  6. Step 6: Final answer
    x = 31,932.43

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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.