Home / 31,397.23-47,049.76-15,793.39

Finding the Fourth Proportional to 31,397.23, 47,049.76 and 15,793.39

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Solution

The fourth proportional to 31,397.23, 47,049.76 and 15,793.39 is: 23,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.23 : 47,049.76 = 15,793.39 : x
  2. Step 2: Convert to fraction form
    31,397.23/47,049.76 = 15,793.39/x
  3. Step 3: Cross multiply
    31,397.23x = 47,049.76 × 15,793.39
  4. Step 4: Simplify right side
    31,397.23x = 743,075,209.09
  5. Step 5: Solve for x
    x = 743,075,209.09/31,397.23
  6. Step 6: Final answer
    x = 23,666.90

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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.