Home / 42,003.10-57,963.63-23,140.90

Finding the Fourth Proportional to 42,003.10, 57,963.63 and 23,140.90

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Solution

The fourth proportional to 42,003.10, 57,963.63 and 23,140.90 is: 31,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.10 : 57,963.63 = 23,140.90 : x
  2. Step 2: Convert to fraction form
    42,003.10/57,963.63 = 23,140.90/x
  3. Step 3: Cross multiply
    42,003.10x = 57,963.63 × 23,140.90
  4. Step 4: Simplify right side
    42,003.10x = 1,341,330,565.47
  5. Step 5: Solve for x
    x = 1,341,330,565.47/42,003.10
  6. Step 6: Final answer
    x = 31,934.08

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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.