Home / 31,718.92-43,768.92-17,569.12

Finding the Fourth Proportional to 31,718.92, 43,768.92 and 17,569.12

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Solution

The fourth proportional to 31,718.92, 43,768.92 and 17,569.12 is: 24,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.92 : 43,768.92 = 17,569.12 : x
  2. Step 2: Convert to fraction form
    31,718.92/43,768.92 = 17,569.12/x
  3. Step 3: Cross multiply
    31,718.92x = 43,768.92 × 17,569.12
  4. Step 4: Simplify right side
    31,718.92x = 768,981,407.75
  5. Step 5: Solve for x
    x = 768,981,407.75/31,718.92
  6. Step 6: Final answer
    x = 24,243.62

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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.