Home / 31,240.71-43,115.14-17,095.68

Finding the Fourth Proportional to 31,240.71, 43,115.14 and 17,095.68

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Solution

The fourth proportional to 31,240.71, 43,115.14 and 17,095.68 is: 23,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,240.71 : 43,115.14 = 17,095.68 : x
  2. Step 2: Convert to fraction form
    31,240.71/43,115.14 = 17,095.68/x
  3. Step 3: Cross multiply
    31,240.71x = 43,115.14 × 17,095.68
  4. Step 4: Simplify right side
    31,240.71x = 737,082,378.28
  5. Step 5: Solve for x
    x = 737,082,378.28/31,240.71
  6. Step 6: Final answer
    x = 23,593.65

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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.