Home / 32,459.04-48,708.72-20,780.64

Finding the Fourth Proportional to 32,459.04, 48,708.72 and 20,780.64

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Solution

The fourth proportional to 32,459.04, 48,708.72 and 20,780.64 is: 31,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,459.04 : 48,708.72 = 20,780.64 : x
  2. Step 2: Convert to fraction form
    32,459.04/48,708.72 = 20,780.64/x
  3. Step 3: Cross multiply
    32,459.04x = 48,708.72 × 20,780.64
  4. Step 4: Simplify right side
    32,459.04x = 1,012,198,375.18
  5. Step 5: Solve for x
    x = 1,012,198,375.18/32,459.04
  6. Step 6: Final answer
    x = 31,183.87

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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.