Home / 38,772.34-58,146.19-12,470.96

Finding the Fourth Proportional to 38,772.34, 58,146.19 and 12,470.96

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Solution

The fourth proportional to 38,772.34, 58,146.19 and 12,470.96 is: 18,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.34 : 58,146.19 = 12,470.96 : x
  2. Step 2: Convert to fraction form
    38,772.34/58,146.19 = 12,470.96/x
  3. Step 3: Cross multiply
    38,772.34x = 58,146.19 × 12,470.96
  4. Step 4: Simplify right side
    38,772.34x = 725,138,923.83
  5. Step 5: Solve for x
    x = 725,138,923.83/38,772.34
  6. Step 6: Final answer
    x = 18,702.48

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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.