Home / 31,839.88-47,757.05-10,779.47

Finding the Fourth Proportional to 31,839.88, 47,757.05 and 10,779.47

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Solution

The fourth proportional to 31,839.88, 47,757.05 and 10,779.47 is: 16,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,839.88 : 47,757.05 = 10,779.47 : x
  2. Step 2: Convert to fraction form
    31,839.88/47,757.05 = 10,779.47/x
  3. Step 3: Cross multiply
    31,839.88x = 47,757.05 × 10,779.47
  4. Step 4: Simplify right side
    31,839.88x = 514,795,687.76
  5. Step 5: Solve for x
    x = 514,795,687.76/31,839.88
  6. Step 6: Final answer
    x = 16,168.27

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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.