Home / 31,537.07-43,521.66-17,389.07

Finding the Fourth Proportional to 31,537.07, 43,521.66 and 17,389.07

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Solution

The fourth proportional to 31,537.07, 43,521.66 and 17,389.07 is: 23,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.07 : 43,521.66 = 17,389.07 : x
  2. Step 2: Convert to fraction form
    31,537.07/43,521.66 = 17,389.07/x
  3. Step 3: Cross multiply
    31,537.07x = 43,521.66 × 17,389.07
  4. Step 4: Simplify right side
    31,537.07x = 756,800,974.65
  5. Step 5: Solve for x
    x = 756,800,974.65/31,537.07
  6. Step 6: Final answer
    x = 23,997.19

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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.