Home / 41,557.20-62,335.80-11,972.40

Finding the Fourth Proportional to 41,557.20, 62,335.80 and 11,972.40

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Solution

The fourth proportional to 41,557.20, 62,335.80 and 11,972.40 is: 17,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,557.20 : 62,335.80 = 11,972.40 : x
  2. Step 2: Convert to fraction form
    41,557.20/62,335.80 = 11,972.40/x
  3. Step 3: Cross multiply
    41,557.20x = 62,335.80 × 11,972.40
  4. Step 4: Simplify right side
    41,557.20x = 746,309,131.92
  5. Step 5: Solve for x
    x = 746,309,131.92/41,557.20
  6. Step 6: Final answer
    x = 17,958.60

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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.