Home / 55,250.28-76,245.44-30,099.78

Finding the Fourth Proportional to 55,250.28, 76,245.44 and 30,099.78

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Solution

The fourth proportional to 55,250.28, 76,245.44 and 30,099.78 is: 41,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.28 : 76,245.44 = 30,099.78 : x
  2. Step 2: Convert to fraction form
    55,250.28/76,245.44 = 30,099.78/x
  3. Step 3: Cross multiply
    55,250.28x = 76,245.44 × 30,099.78
  4. Step 4: Simplify right side
    55,250.28x = 2,294,970,819.50
  5. Step 5: Solve for x
    x = 2,294,970,819.50/55,250.28
  6. Step 6: Final answer
    x = 41,537.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.