Home / 44,272.20-66,408.30-20,579.70

Finding the Fourth Proportional to 44,272.20, 66,408.30 and 20,579.70

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Solution

The fourth proportional to 44,272.20, 66,408.30 and 20,579.70 is: 30,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,272.20 : 66,408.30 = 20,579.70 : x
  2. Step 2: Convert to fraction form
    44,272.20/66,408.30 = 20,579.70/x
  3. Step 3: Cross multiply
    44,272.20x = 66,408.30 × 20,579.70
  4. Step 4: Simplify right side
    44,272.20x = 1,366,662,891.51
  5. Step 5: Solve for x
    x = 1,366,662,891.51/44,272.20
  6. Step 6: Final answer
    x = 30,869.55

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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.