Home / 83,862.42-125,794.91-21,531.54

Finding the Fourth Proportional to 83,862.42, 125,794.91 and 21,531.54

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Solution

The fourth proportional to 83,862.42, 125,794.91 and 21,531.54 is: 32,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,862.42 : 125,794.91 = 21,531.54 : x
  2. Step 2: Convert to fraction form
    83,862.42/125,794.91 = 21,531.54/x
  3. Step 3: Cross multiply
    83,862.42x = 125,794.91 × 21,531.54
  4. Step 4: Simplify right side
    83,862.42x = 2,708,558,136.46
  5. Step 5: Solve for x
    x = 2,708,558,136.46/83,862.42
  6. Step 6: Final answer
    x = 32,297.64

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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.