Home / 41,809.76-62,720.92-12,229.60

Finding the Fourth Proportional to 41,809.76, 62,720.92 and 12,229.60

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Solution

The fourth proportional to 41,809.76, 62,720.92 and 12,229.60 is: 18,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,809.76 : 62,720.92 = 12,229.60 : x
  2. Step 2: Convert to fraction form
    41,809.76/62,720.92 = 12,229.60/x
  3. Step 3: Cross multiply
    41,809.76x = 62,720.92 × 12,229.60
  4. Step 4: Simplify right side
    41,809.76x = 767,051,763.23
  5. Step 5: Solve for x
    x = 767,051,763.23/41,809.76
  6. Step 6: Final answer
    x = 18,346.24

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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.