Home / 31,618.20-43,631.40-17,470.14

Finding the Fourth Proportional to 31,618.20, 43,631.40 and 17,470.14

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Solution

The fourth proportional to 31,618.20, 43,631.40 and 17,470.14 is: 24,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.20 : 43,631.40 = 17,470.14 : x
  2. Step 2: Convert to fraction form
    31,618.20/43,631.40 = 17,470.14/x
  3. Step 3: Cross multiply
    31,618.20x = 43,631.40 × 17,470.14
  4. Step 4: Simplify right side
    31,618.20x = 762,246,666.40
  5. Step 5: Solve for x
    x = 762,246,666.40/31,618.20
  6. Step 6: Final answer
    x = 24,107.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.