Home / 43,487.28-65,230.92-20,110.68

Finding the Fourth Proportional to 43,487.28, 65,230.92 and 20,110.68

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Solution

The fourth proportional to 43,487.28, 65,230.92 and 20,110.68 is: 30,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.28 : 65,230.92 = 20,110.68 : x
  2. Step 2: Convert to fraction form
    43,487.28/65,230.92 = 20,110.68/x
  3. Step 3: Cross multiply
    43,487.28x = 65,230.92 × 20,110.68
  4. Step 4: Simplify right side
    43,487.28x = 1,311,838,158.23
  5. Step 5: Solve for x
    x = 1,311,838,158.23/43,487.28
  6. Step 6: Final answer
    x = 30,166.02

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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.