Home / 31,717.18-43,767.30-17,569.72

Finding the Fourth Proportional to 31,717.18, 43,767.30 and 17,569.72

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Solution

The fourth proportional to 31,717.18, 43,767.30 and 17,569.72 is: 24,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.18 : 43,767.30 = 17,569.72 : x
  2. Step 2: Convert to fraction form
    31,717.18/43,767.30 = 17,569.72/x
  3. Step 3: Cross multiply
    31,717.18x = 43,767.30 × 17,569.72
  4. Step 4: Simplify right side
    31,717.18x = 768,979,206.16
  5. Step 5: Solve for x
    x = 768,979,206.16/31,717.18
  6. Step 6: Final answer
    x = 24,244.88

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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.