Home / 31,729.07-43,786.17-17,386.62

Finding the Fourth Proportional to 31,729.07, 43,786.17 and 17,386.62

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Solution

The fourth proportional to 31,729.07, 43,786.17 and 17,386.62 is: 23,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.07 : 43,786.17 = 17,386.62 : x
  2. Step 2: Convert to fraction form
    31,729.07/43,786.17 = 17,386.62/x
  3. Step 3: Cross multiply
    31,729.07x = 43,786.17 × 17,386.62
  4. Step 4: Simplify right side
    31,729.07x = 761,293,499.05
  5. Step 5: Solve for x
    x = 761,293,499.05/31,729.07
  6. Step 6: Final answer
    x = 23,993.57

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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.