Home / 38,011.92-57,042.36-20,493.96

Finding the Fourth Proportional to 38,011.92, 57,042.36 and 20,493.96

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Solution

The fourth proportional to 38,011.92, 57,042.36 and 20,493.96 is: 30,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011.92 : 57,042.36 = 20,493.96 : x
  2. Step 2: Convert to fraction form
    38,011.92/57,042.36 = 20,493.96/x
  3. Step 3: Cross multiply
    38,011.92x = 57,042.36 × 20,493.96
  4. Step 4: Simplify right side
    38,011.92x = 1,169,023,844.15
  5. Step 5: Solve for x
    x = 1,169,023,844.15/38,011.92
  6. Step 6: Final answer
    x = 30,754.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.