Home / 31,708.12-47,562.18-10,930

Finding the Fourth Proportional to 31,708.12, 47,562.18 and 10,930

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Solution

The fourth proportional to 31,708.12, 47,562.18 and 10,930 is: 16,395

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.12 : 47,562.18 = 10,930 : x
  2. Step 2: Convert to fraction form
    31,708.12/47,562.18 = 10,930/x
  3. Step 3: Cross multiply
    31,708.12x = 47,562.18 × 10,930
  4. Step 4: Simplify right side
    31,708.12x = 519,854,627.40
  5. Step 5: Solve for x
    x = 519,854,627.40/31,708.12
  6. Step 6: Final answer
    x = 16,395

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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.