Home / 31,419.20-43,358.71-17,079.03

Finding the Fourth Proportional to 31,419.20, 43,358.71 and 17,079.03

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Solution

The fourth proportional to 31,419.20, 43,358.71 and 17,079.03 is: 23,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.20 : 43,358.71 = 17,079.03 : x
  2. Step 2: Convert to fraction form
    31,419.20/43,358.71 = 17,079.03/x
  3. Step 3: Cross multiply
    31,419.20x = 43,358.71 × 17,079.03
  4. Step 4: Simplify right side
    31,419.20x = 740,524,795.18
  5. Step 5: Solve for x
    x = 740,524,795.18/31,419.20
  6. Step 6: Final answer
    x = 23,569.18

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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.