Home / 31,832.55-47,719.15-10,757.86

Finding the Fourth Proportional to 31,832.55, 47,719.15 and 10,757.86

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Solution

The fourth proportional to 31,832.55, 47,719.15 and 10,757.86 is: 16,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.55 : 47,719.15 = 10,757.86 : x
  2. Step 2: Convert to fraction form
    31,832.55/47,719.15 = 10,757.86/x
  3. Step 3: Cross multiply
    31,832.55x = 47,719.15 × 10,757.86
  4. Step 4: Simplify right side
    31,832.55x = 513,355,809.00
  5. Step 5: Solve for x
    x = 513,355,809.00/31,832.55
  6. Step 6: Final answer
    x = 16,126.76

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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.