Home / 31,262.16-43,141.88-17,115.92

Finding the Fourth Proportional to 31,262.16, 43,141.88 and 17,115.92

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Solution

The fourth proportional to 31,262.16, 43,141.88 and 17,115.92 is: 23,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.16 : 43,141.88 = 17,115.92 : x
  2. Step 2: Convert to fraction form
    31,262.16/43,141.88 = 17,115.92/x
  3. Step 3: Cross multiply
    31,262.16x = 43,141.88 × 17,115.92
  4. Step 4: Simplify right side
    31,262.16x = 738,412,966.73
  5. Step 5: Solve for x
    x = 738,412,966.73/31,262.16
  6. Step 6: Final answer
    x = 23,620.02

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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.