Home / 44,211.28-66,320.87-12,620.75

Finding the Fourth Proportional to 44,211.28, 66,320.87 and 12,620.75

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Solution

The fourth proportional to 44,211.28, 66,320.87 and 12,620.75 is: 18,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,211.28 : 66,320.87 = 12,620.75 : x
  2. Step 2: Convert to fraction form
    44,211.28/66,320.87 = 12,620.75/x
  3. Step 3: Cross multiply
    44,211.28x = 66,320.87 × 12,620.75
  4. Step 4: Simplify right side
    44,211.28x = 837,019,120.05
  5. Step 5: Solve for x
    x = 837,019,120.05/44,211.28
  6. Step 6: Final answer
    x = 18,932.25

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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.