Home / 38,961.60-58,442.40-15,604.80

Finding the Fourth Proportional to 38,961.60, 58,442.40 and 15,604.80

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Solution

The fourth proportional to 38,961.60, 58,442.40 and 15,604.80 is: 23,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.60 : 58,442.40 = 15,604.80 : x
  2. Step 2: Convert to fraction form
    38,961.60/58,442.40 = 15,604.80/x
  3. Step 3: Cross multiply
    38,961.60x = 58,442.40 × 15,604.80
  4. Step 4: Simplify right side
    38,961.60x = 911,981,963.52
  5. Step 5: Solve for x
    x = 911,981,963.52/38,961.60
  6. Step 6: Final answer
    x = 23,407.20

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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.