Home / 38,974.60-58,471.50-11,275.40

Finding the Fourth Proportional to 38,974.60, 58,471.50 and 11,275.40

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Solution

The fourth proportional to 38,974.60, 58,471.50 and 11,275.40 is: 16,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974.60 : 58,471.50 = 11,275.40 : x
  2. Step 2: Convert to fraction form
    38,974.60/58,471.50 = 11,275.40/x
  3. Step 3: Cross multiply
    38,974.60x = 58,471.50 × 11,275.40
  4. Step 4: Simplify right side
    38,974.60x = 659,289,551.10
  5. Step 5: Solve for x
    x = 659,289,551.10/38,974.60
  6. Step 6: Final answer
    x = 16,915.88

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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.