Home / 50,046.87-75,099.92-18,478.95

Finding the Fourth Proportional to 50,046.87, 75,099.92 and 18,478.95

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Solution

The fourth proportional to 50,046.87, 75,099.92 and 18,478.95 is: 27,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,046.87 : 75,099.92 = 18,478.95 : x
  2. Step 2: Convert to fraction form
    50,046.87/75,099.92 = 18,478.95/x
  3. Step 3: Cross multiply
    50,046.87x = 75,099.92 × 18,478.95
  4. Step 4: Simplify right side
    50,046.87x = 1,387,767,666.68
  5. Step 5: Solve for x
    x = 1,387,767,666.68/50,046.87
  6. Step 6: Final answer
    x = 27,729.36

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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.