Home / 31,349.38-43,263.03-17,203.15

Finding the Fourth Proportional to 31,349.38, 43,263.03 and 17,203.15

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Solution

The fourth proportional to 31,349.38, 43,263.03 and 17,203.15 is: 23,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.38 : 43,263.03 = 17,203.15 : x
  2. Step 2: Convert to fraction form
    31,349.38/43,263.03 = 17,203.15/x
  3. Step 3: Cross multiply
    31,349.38x = 43,263.03 × 17,203.15
  4. Step 4: Simplify right side
    31,349.38x = 744,260,394.54
  5. Step 5: Solve for x
    x = 744,260,394.54/31,349.38
  6. Step 6: Final answer
    x = 23,740.83

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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.