Home / 42,005.92-57,965.88-23,141.56

Finding the Fourth Proportional to 42,005.92, 57,965.88 and 23,141.56

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Solution

The fourth proportional to 42,005.92, 57,965.88 and 23,141.56 is: 31,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005.92 : 57,965.88 = 23,141.56 : x
  2. Step 2: Convert to fraction form
    42,005.92/57,965.88 = 23,141.56/x
  3. Step 3: Cross multiply
    42,005.92x = 57,965.88 × 23,141.56
  4. Step 4: Simplify right side
    42,005.92x = 1,341,420,889.97
  5. Step 5: Solve for x
    x = 1,341,420,889.97/42,005.92
  6. Step 6: Final answer
    x = 31,934.09

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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.