Home / 31,535.26-43,516.43-17,387.80

Finding the Fourth Proportional to 31,535.26, 43,516.43 and 17,387.80

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Solution

The fourth proportional to 31,535.26, 43,516.43 and 17,387.80 is: 23,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.26 : 43,516.43 = 17,387.80 : x
  2. Step 2: Convert to fraction form
    31,535.26/43,516.43 = 17,387.80/x
  3. Step 3: Cross multiply
    31,535.26x = 43,516.43 × 17,387.80
  4. Step 4: Simplify right side
    31,535.26x = 756,654,677.03
  5. Step 5: Solve for x
    x = 756,654,677.03/31,535.26
  6. Step 6: Final answer
    x = 23,993.93

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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.