Home / 50,251.20-75,376.80-47,140.80

Finding the Fourth Proportional to 50,251.20, 75,376.80 and 47,140.80

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Solution

The fourth proportional to 50,251.20, 75,376.80 and 47,140.80 is: 70,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,251.20 : 75,376.80 = 47,140.80 : x
  2. Step 2: Convert to fraction form
    50,251.20/75,376.80 = 47,140.80/x
  3. Step 3: Cross multiply
    50,251.20x = 75,376.80 × 47,140.80
  4. Step 4: Simplify right side
    50,251.20x = 3,553,322,653.44
  5. Step 5: Solve for x
    x = 3,553,322,653.44/50,251.20
  6. Step 6: Final answer
    x = 70,711.20

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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.