Home / 50,299.28-75,480.64-28,127.20

Finding the Fourth Proportional to 50,299.28, 75,480.64 and 28,127.20

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Solution

The fourth proportional to 50,299.28, 75,480.64 and 28,127.20 is: 42,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,299.28 : 75,480.64 = 28,127.20 : x
  2. Step 2: Convert to fraction form
    50,299.28/75,480.64 = 28,127.20/x
  3. Step 3: Cross multiply
    50,299.28x = 75,480.64 × 28,127.20
  4. Step 4: Simplify right side
    50,299.28x = 2,123,059,057.41
  5. Step 5: Solve for x
    x = 2,123,059,057.41/50,299.28
  6. Step 6: Final answer
    x = 42,208.54

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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.