Home / 31,537.27-43,521.92-17,390.13

Finding the Fourth Proportional to 31,537.27, 43,521.92 and 17,390.13

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Solution

The fourth proportional to 31,537.27, 43,521.92 and 17,390.13 is: 23,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.27 : 43,521.92 = 17,390.13 : x
  2. Step 2: Convert to fraction form
    31,537.27/43,521.92 = 17,390.13/x
  3. Step 3: Cross multiply
    31,537.27x = 43,521.92 × 17,390.13
  4. Step 4: Simplify right side
    31,537.27x = 756,851,846.65
  5. Step 5: Solve for x
    x = 756,851,846.65/31,537.27
  6. Step 6: Final answer
    x = 23,998.65

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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.