Home / 63,000.68-86,910.26-40,321.49

Finding the Fourth Proportional to 63,000.68, 86,910.26 and 40,321.49

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Solution

The fourth proportional to 63,000.68, 86,910.26 and 40,321.49 is: 55,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,000.68 : 86,910.26 = 40,321.49 : x
  2. Step 2: Convert to fraction form
    63,000.68/86,910.26 = 40,321.49/x
  3. Step 3: Cross multiply
    63,000.68x = 86,910.26 × 40,321.49
  4. Step 4: Simplify right side
    63,000.68x = 3,504,350,543.33
  5. Step 5: Solve for x
    x = 3,504,350,543.33/63,000.68
  6. Step 6: Final answer
    x = 55,624.02

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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.