Home / 83,589.22-125,380.59-21,261.34

Finding the Fourth Proportional to 83,589.22, 125,380.59 and 21,261.34

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Solution

The fourth proportional to 83,589.22, 125,380.59 and 21,261.34 is: 31,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,589.22 : 125,380.59 = 21,261.34 : x
  2. Step 2: Convert to fraction form
    83,589.22/125,380.59 = 21,261.34/x
  3. Step 3: Cross multiply
    83,589.22x = 125,380.59 × 21,261.34
  4. Step 4: Simplify right side
    83,589.22x = 2,665,759,353.39
  5. Step 5: Solve for x
    x = 2,665,759,353.39/83,589.22
  6. Step 6: Final answer
    x = 31,891.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.