Home / 42,003.60-57,964.32-23,141.40

Finding the Fourth Proportional to 42,003.60, 57,964.32 and 23,141.40

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Solution

The fourth proportional to 42,003.60, 57,964.32 and 23,141.40 is: 31,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.60 : 57,964.32 = 23,141.40 : x
  2. Step 2: Convert to fraction form
    42,003.60/57,964.32 = 23,141.40/x
  3. Step 3: Cross multiply
    42,003.60x = 57,964.32 × 23,141.40
  4. Step 4: Simplify right side
    42,003.60x = 1,341,375,514.85
  5. Step 5: Solve for x
    x = 1,341,375,514.85/42,003.60
  6. Step 6: Final answer
    x = 31,934.77

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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.