Home / 31,346.74-47,023.14-9,159.61

Finding the Fourth Proportional to 31,346.74, 47,023.14 and 9,159.61

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Solution

The fourth proportional to 31,346.74, 47,023.14 and 9,159.61 is: 13,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.74 : 47,023.14 = 9,159.61 : x
  2. Step 2: Convert to fraction form
    31,346.74/47,023.14 = 9,159.61/x
  3. Step 3: Cross multiply
    31,346.74x = 47,023.14 × 9,159.61
  4. Step 4: Simplify right side
    31,346.74x = 430,713,623.38
  5. Step 5: Solve for x
    x = 430,713,623.38/31,346.74
  6. Step 6: Final answer
    x = 13,740.30

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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.