Home / 31,259.43-43,138.05-17,112.33

Finding the Fourth Proportional to 31,259.43, 43,138.05 and 17,112.33

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Solution

The fourth proportional to 31,259.43, 43,138.05 and 17,112.33 is: 23,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.43 : 43,138.05 = 17,112.33 : x
  2. Step 2: Convert to fraction form
    31,259.43/43,138.05 = 17,112.33/x
  3. Step 3: Cross multiply
    31,259.43x = 43,138.05 × 17,112.33
  4. Step 4: Simplify right side
    31,259.43x = 738,192,547.16
  5. Step 5: Solve for x
    x = 738,192,547.16/31,259.43
  6. Step 6: Final answer
    x = 23,615.04

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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.