Home / 50,470.20-75,621.96-30,688.92

Finding the Fourth Proportional to 50,470.20, 75,621.96 and 30,688.92

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Solution

The fourth proportional to 50,470.20, 75,621.96 and 30,688.92 is: 45,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,470.20 : 75,621.96 = 30,688.92 : x
  2. Step 2: Convert to fraction form
    50,470.20/75,621.96 = 30,688.92/x
  3. Step 3: Cross multiply
    50,470.20x = 75,621.96 × 30,688.92
  4. Step 4: Simplify right side
    50,470.20x = 2,320,756,280.68
  5. Step 5: Solve for x
    x = 2,320,756,280.68/50,470.20
  6. Step 6: Final answer
    x = 45,982.70

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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.