Home / 50,138.68-75,209.10-16,859.80

Finding the Fourth Proportional to 50,138.68, 75,209.10 and 16,859.80

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Solution

The fourth proportional to 50,138.68, 75,209.10 and 16,859.80 is: 25,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.68 : 75,209.10 = 16,859.80 : x
  2. Step 2: Convert to fraction form
    50,138.68/75,209.10 = 16,859.80/x
  3. Step 3: Cross multiply
    50,138.68x = 75,209.10 × 16,859.80
  4. Step 4: Simplify right side
    50,138.68x = 1,268,010,384.18
  5. Step 5: Solve for x
    x = 1,268,010,384.18/50,138.68
  6. Step 6: Final answer
    x = 25,290.06

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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.