Home / 41,490.40-62,235.60-11,909.20

Finding the Fourth Proportional to 41,490.40, 62,235.60 and 11,909.20

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Solution

The fourth proportional to 41,490.40, 62,235.60 and 11,909.20 is: 17,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,490.40 : 62,235.60 = 11,909.20 : x
  2. Step 2: Convert to fraction form
    41,490.40/62,235.60 = 11,909.20/x
  3. Step 3: Cross multiply
    41,490.40x = 62,235.60 × 11,909.20
  4. Step 4: Simplify right side
    41,490.40x = 741,176,207.52
  5. Step 5: Solve for x
    x = 741,176,207.52/41,490.40
  6. Step 6: Final answer
    x = 17,863.80

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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.