Home / 38,821.92-58,233.24-21,282.18

Finding the Fourth Proportional to 38,821.92, 58,233.24 and 21,282.18

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Solution

The fourth proportional to 38,821.92, 58,233.24 and 21,282.18 is: 31,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.92 : 58,233.24 = 21,282.18 : x
  2. Step 2: Convert to fraction form
    38,821.92/58,233.24 = 21,282.18/x
  3. Step 3: Cross multiply
    38,821.92x = 58,233.24 × 21,282.18
  4. Step 4: Simplify right side
    38,821.92x = 1,239,330,295.66
  5. Step 5: Solve for x
    x = 1,239,330,295.66/38,821.92
  6. Step 6: Final answer
    x = 31,923.47

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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.