Home / 31,729.33-43,786.32-17,389.13

Finding the Fourth Proportional to 31,729.33, 43,786.32 and 17,389.13

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Solution

The fourth proportional to 31,729.33, 43,786.32 and 17,389.13 is: 23,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.33 : 43,786.32 = 17,389.13 : x
  2. Step 2: Convert to fraction form
    31,729.33/43,786.32 = 17,389.13/x
  3. Step 3: Cross multiply
    31,729.33x = 43,786.32 × 17,389.13
  4. Step 4: Simplify right side
    31,729.33x = 761,406,010.70
  5. Step 5: Solve for x
    x = 761,406,010.70/31,729.33
  6. Step 6: Final answer
    x = 23,996.92

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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.