Home / 83,524.84-125,294.55-21,195.34

Finding the Fourth Proportional to 83,524.84, 125,294.55 and 21,195.34

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Solution

The fourth proportional to 83,524.84, 125,294.55 and 21,195.34 is: 31,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,524.84 : 125,294.55 = 21,195.34 : x
  2. Step 2: Convert to fraction form
    83,524.84/125,294.55 = 21,195.34/x
  3. Step 3: Cross multiply
    83,524.84x = 125,294.55 × 21,195.34
  4. Step 4: Simplify right side
    83,524.84x = 2,655,660,587.40
  5. Step 5: Solve for x
    x = 2,655,660,587.40/83,524.84
  6. Step 6: Final answer
    x = 31,794.86

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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.