Home / 31,234.27-43,104.31-17,087.11

Finding the Fourth Proportional to 31,234.27, 43,104.31 and 17,087.11

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Solution

The fourth proportional to 31,234.27, 43,104.31 and 17,087.11 is: 23,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.27 : 43,104.31 = 17,087.11 : x
  2. Step 2: Convert to fraction form
    31,234.27/43,104.31 = 17,087.11/x
  3. Step 3: Cross multiply
    31,234.27x = 43,104.31 × 17,087.11
  4. Step 4: Simplify right side
    31,234.27x = 736,528,097.61
  5. Step 5: Solve for x
    x = 736,528,097.61/31,234.27
  6. Step 6: Final answer
    x = 23,580.77

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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.