Home / 31,863.38-43,972.47-17,717.13

Finding the Fourth Proportional to 31,863.38, 43,972.47 and 17,717.13

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Solution

The fourth proportional to 31,863.38, 43,972.47 and 17,717.13 is: 24,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863.38 : 43,972.47 = 17,717.13 : x
  2. Step 2: Convert to fraction form
    31,863.38/43,972.47 = 17,717.13/x
  3. Step 3: Cross multiply
    31,863.38x = 43,972.47 × 17,717.13
  4. Step 4: Simplify right side
    31,863.38x = 779,065,967.41
  5. Step 5: Solve for x
    x = 779,065,967.41/31,863.38
  6. Step 6: Final answer
    x = 24,450.20

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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.