Home / 44,399.20-66,608.12-12,809.20

Finding the Fourth Proportional to 44,399.20, 66,608.12 and 12,809.20

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Solution

The fourth proportional to 44,399.20, 66,608.12 and 12,809.20 is: 19,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,399.20 : 66,608.12 = 12,809.20 : x
  2. Step 2: Convert to fraction form
    44,399.20/66,608.12 = 12,809.20/x
  3. Step 3: Cross multiply
    44,399.20x = 66,608.12 × 12,809.20
  4. Step 4: Simplify right side
    44,399.20x = 853,196,730.70
  5. Step 5: Solve for x
    x = 853,196,730.70/44,399.20
  6. Step 6: Final answer
    x = 19,216.49

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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.