Home / 38,869.32-58,309.12-13,569.29

Finding the Fourth Proportional to 38,869.32, 58,309.12 and 13,569.29

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Solution

The fourth proportional to 38,869.32, 58,309.12 and 13,569.29 is: 20,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869.32 : 58,309.12 = 13,569.29 : x
  2. Step 2: Convert to fraction form
    38,869.32/58,309.12 = 13,569.29/x
  3. Step 3: Cross multiply
    38,869.32x = 58,309.12 × 13,569.29
  4. Step 4: Simplify right side
    38,869.32x = 791,213,358.92
  5. Step 5: Solve for x
    x = 791,213,358.92/38,869.32
  6. Step 6: Final answer
    x = 20,355.73

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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.