Home / 42,008.62-57,974.52-23,145.76

Finding the Fourth Proportional to 42,008.62, 57,974.52 and 23,145.76

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Solution

The fourth proportional to 42,008.62, 57,974.52 and 23,145.76 is: 31,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.62 : 57,974.52 = 23,145.76 : x
  2. Step 2: Convert to fraction form
    42,008.62/57,974.52 = 23,145.76/x
  3. Step 3: Cross multiply
    42,008.62x = 57,974.52 × 23,145.76
  4. Step 4: Simplify right side
    42,008.62x = 1,341,864,326.04
  5. Step 5: Solve for x
    x = 1,341,864,326.04/42,008.62
  6. Step 6: Final answer
    x = 31,942.59

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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.