Home / 31,942.14-47,909.54-8,566.74

Finding the Fourth Proportional to 31,942.14, 47,909.54 and 8,566.74

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Solution

The fourth proportional to 31,942.14, 47,909.54 and 8,566.74 is: 12,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.14 : 47,909.54 = 8,566.74 : x
  2. Step 2: Convert to fraction form
    31,942.14/47,909.54 = 8,566.74/x
  3. Step 3: Cross multiply
    31,942.14x = 47,909.54 × 8,566.74
  4. Step 4: Simplify right side
    31,942.14x = 410,428,572.70
  5. Step 5: Solve for x
    x = 410,428,572.70/31,942.14
  6. Step 6: Final answer
    x = 12,849.13

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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.