Home / 68,215.68-94,136.22-38,000.88

Finding the Fourth Proportional to 68,215.68, 94,136.22 and 38,000.88

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Solution

The fourth proportional to 68,215.68, 94,136.22 and 38,000.88 is: 52,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215.68 : 94,136.22 = 38,000.88 : x
  2. Step 2: Convert to fraction form
    68,215.68/94,136.22 = 38,000.88/x
  3. Step 3: Cross multiply
    68,215.68x = 94,136.22 × 38,000.88
  4. Step 4: Simplify right side
    68,215.68x = 3,577,259,199.87
  5. Step 5: Solve for x
    x = 3,577,259,199.87/68,215.68
  6. Step 6: Final answer
    x = 52,440.42

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Half scale
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Double scale
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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.