Home / 31,351.46-47,031.59-9,166.50

Finding the Fourth Proportional to 31,351.46, 47,031.59 and 9,166.50

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Solution

The fourth proportional to 31,351.46, 47,031.59 and 9,166.50 is: 13,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.46 : 47,031.59 = 9,166.50 : x
  2. Step 2: Convert to fraction form
    31,351.46/47,031.59 = 9,166.50/x
  3. Step 3: Cross multiply
    31,351.46x = 47,031.59 × 9,166.50
  4. Step 4: Simplify right side
    31,351.46x = 431,115,092.65
  5. Step 5: Solve for x
    x = 431,115,092.65/31,351.46
  6. Step 6: Final answer
    x = 13,751.04

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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.