Home / 41,242.20-61,853.40-11,662.80

Finding the Fourth Proportional to 41,242.20, 61,853.40 and 11,662.80

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Solution

The fourth proportional to 41,242.20, 61,853.40 and 11,662.80 is: 17,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,242.20 : 61,853.40 = 11,662.80 : x
  2. Step 2: Convert to fraction form
    41,242.20/61,853.40 = 11,662.80/x
  3. Step 3: Cross multiply
    41,242.20x = 61,853.40 × 11,662.80
  4. Step 4: Simplify right side
    41,242.20x = 721,383,833.52
  5. Step 5: Solve for x
    x = 721,383,833.52/41,242.20
  6. Step 6: Final answer
    x = 17,491.40

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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.