Home / 31,395.85-47,100.26-10,337.15

Finding the Fourth Proportional to 31,395.85, 47,100.26 and 10,337.15

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Solution

The fourth proportional to 31,395.85, 47,100.26 and 10,337.15 is: 15,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.85 : 47,100.26 = 10,337.15 : x
  2. Step 2: Convert to fraction form
    31,395.85/47,100.26 = 10,337.15/x
  3. Step 3: Cross multiply
    31,395.85x = 47,100.26 × 10,337.15
  4. Step 4: Simplify right side
    31,395.85x = 486,882,567.18
  5. Step 5: Solve for x
    x = 486,882,567.18/31,395.85
  6. Step 6: Final answer
    x = 15,507.86

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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.