Home / 31,351.41-43,265.48-17,205.57

Finding the Fourth Proportional to 31,351.41, 43,265.48 and 17,205.57

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Solution

The fourth proportional to 31,351.41, 43,265.48 and 17,205.57 is: 23,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.41 : 43,265.48 = 17,205.57 : x
  2. Step 2: Convert to fraction form
    31,351.41/43,265.48 = 17,205.57/x
  3. Step 3: Cross multiply
    31,351.41x = 43,265.48 × 17,205.57
  4. Step 4: Simplify right side
    31,351.41x = 744,407,158.70
  5. Step 5: Solve for x
    x = 744,407,158.70/31,351.41
  6. Step 6: Final answer
    x = 23,743.98

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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.