Home / 50,227.20-75,340.80-39,142.20

Finding the Fourth Proportional to 50,227.20, 75,340.80 and 39,142.20

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Solution

The fourth proportional to 50,227.20, 75,340.80 and 39,142.20 is: 58,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,227.20 : 75,340.80 = 39,142.20 : x
  2. Step 2: Convert to fraction form
    50,227.20/75,340.80 = 39,142.20/x
  3. Step 3: Cross multiply
    50,227.20x = 75,340.80 × 39,142.20
  4. Step 4: Simplify right side
    50,227.20x = 2,949,004,661.76
  5. Step 5: Solve for x
    x = 2,949,004,661.76/50,227.20
  6. Step 6: Final answer
    x = 58,713.30

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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.