Home / 40,780.60-61,016.34-24,149.56

Finding the Fourth Proportional to 40,780.60, 61,016.34 and 24,149.56

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Solution

The fourth proportional to 40,780.60, 61,016.34 and 24,149.56 is: 36,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.60 : 61,016.34 = 24,149.56 : x
  2. Step 2: Convert to fraction form
    40,780.60/61,016.34 = 24,149.56/x
  3. Step 3: Cross multiply
    40,780.60x = 61,016.34 × 24,149.56
  4. Step 4: Simplify right side
    40,780.60x = 1,473,517,763.81
  5. Step 5: Solve for x
    x = 1,473,517,763.81/40,780.60
  6. Step 6: Final answer
    x = 36,132.81

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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.