Home / 38,815.20-58,148.28-22,125.96

Finding the Fourth Proportional to 38,815.20, 58,148.28 and 22,125.96

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Solution

The fourth proportional to 38,815.20, 58,148.28 and 22,125.96 is: 33,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.20 : 58,148.28 = 22,125.96 : x
  2. Step 2: Convert to fraction form
    38,815.20/58,148.28 = 22,125.96/x
  3. Step 3: Cross multiply
    38,815.20x = 58,148.28 × 22,125.96
  4. Step 4: Simplify right side
    38,815.20x = 1,286,586,517.35
  5. Step 5: Solve for x
    x = 1,286,586,517.35/38,815.20
  6. Step 6: Final answer
    x = 33,146.46

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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.