Home / 83,584.42-125,377.44-21,254.92

Finding the Fourth Proportional to 83,584.42, 125,377.44 and 21,254.92

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Solution

The fourth proportional to 83,584.42, 125,377.44 and 21,254.92 is: 31,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,584.42 : 125,377.44 = 21,254.92 : x
  2. Step 2: Convert to fraction form
    83,584.42/125,377.44 = 21,254.92/x
  3. Step 3: Cross multiply
    83,584.42x = 125,377.44 × 21,254.92
  4. Step 4: Simplify right side
    83,584.42x = 2,664,887,457.00
  5. Step 5: Solve for x
    x = 2,664,887,457.00/83,584.42
  6. Step 6: Final answer
    x = 31,882.59

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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.