Home / 31,351.20-43,265.28-17,203.92

Finding the Fourth Proportional to 31,351.20, 43,265.28 and 17,203.92

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Solution

The fourth proportional to 31,351.20, 43,265.28 and 17,203.92 is: 23,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.20 : 43,265.28 = 17,203.92 : x
  2. Step 2: Convert to fraction form
    31,351.20/43,265.28 = 17,203.92/x
  3. Step 3: Cross multiply
    31,351.20x = 43,265.28 × 17,203.92
  4. Step 4: Simplify right side
    31,351.20x = 744,332,415.90
  5. Step 5: Solve for x
    x = 744,332,415.90/31,351.20
  6. Step 6: Final answer
    x = 23,741.75

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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.