Home / 31,926.20-47,896.20-9,739

Finding the Fourth Proportional to 31,926.20, 47,896.20 and 9,739

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Solution

The fourth proportional to 31,926.20, 47,896.20 and 9,739 is: 14,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.20 : 47,896.20 = 9,739 : x
  2. Step 2: Convert to fraction form
    31,926.20/47,896.20 = 9,739/x
  3. Step 3: Cross multiply
    31,926.20x = 47,896.20 × 9,739
  4. Step 4: Simplify right side
    31,926.20x = 466,461,091.80
  5. Step 5: Solve for x
    x = 466,461,091.80/31,926.20
  6. Step 6: Final answer
    x = 14,610.60

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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.