Home / 31,566.90-47,358.29-9,077.62

Finding the Fourth Proportional to 31,566.90, 47,358.29 and 9,077.62

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Solution

The fourth proportional to 31,566.90, 47,358.29 and 9,077.62 is: 13,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.90 : 47,358.29 = 9,077.62 : x
  2. Step 2: Convert to fraction form
    31,566.90/47,358.29 = 9,077.62/x
  3. Step 3: Cross multiply
    31,566.90x = 47,358.29 × 9,077.62
  4. Step 4: Simplify right side
    31,566.90x = 429,900,560.47
  5. Step 5: Solve for x
    x = 429,900,560.47/31,566.90
  6. Step 6: Final answer
    x = 13,618.71

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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.