Home / 38,479.05-57,614.31-19,972.17

Finding the Fourth Proportional to 38,479.05, 57,614.31 and 19,972.17

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Solution

The fourth proportional to 38,479.05, 57,614.31 and 19,972.17 is: 29,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.05 : 57,614.31 = 19,972.17 : x
  2. Step 2: Convert to fraction form
    38,479.05/57,614.31 = 19,972.17/x
  3. Step 3: Cross multiply
    38,479.05x = 57,614.31 × 19,972.17
  4. Step 4: Simplify right side
    38,479.05x = 1,150,682,793.75
  5. Step 5: Solve for x
    x = 1,150,682,793.75/38,479.05
  6. Step 6: Final answer
    x = 29,904.14

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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.