Home / 43,820.30-65,723.78-12,227.04

Finding the Fourth Proportional to 43,820.30, 65,723.78 and 12,227.04

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Solution

The fourth proportional to 43,820.30, 65,723.78 and 12,227.04 is: 18,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,820.30 : 65,723.78 = 12,227.04 : x
  2. Step 2: Convert to fraction form
    43,820.30/65,723.78 = 12,227.04/x
  3. Step 3: Cross multiply
    43,820.30x = 65,723.78 × 12,227.04
  4. Step 4: Simplify right side
    43,820.30x = 803,607,317.58
  5. Step 5: Solve for x
    x = 803,607,317.58/43,820.30
  6. Step 6: Final answer
    x = 18,338.70

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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.