Home / 82,218.60-123,360.30-32,290.20

Finding the Fourth Proportional to 82,218.60, 123,360.30 and 32,290.20

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Solution

The fourth proportional to 82,218.60, 123,360.30 and 32,290.20 is: 48,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,218.60 : 123,360.30 = 32,290.20 : x
  2. Step 2: Convert to fraction form
    82,218.60/123,360.30 = 32,290.20/x
  3. Step 3: Cross multiply
    82,218.60x = 123,360.30 × 32,290.20
  4. Step 4: Simplify right side
    82,218.60x = 3,983,328,759.06
  5. Step 5: Solve for x
    x = 3,983,328,759.06/82,218.60
  6. Step 6: Final answer
    x = 48,448.02

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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.