Home / 50,121.87-75,153.65-18,959.55

Finding the Fourth Proportional to 50,121.87, 75,153.65 and 18,959.55

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Solution

The fourth proportional to 50,121.87, 75,153.65 and 18,959.55 is: 28,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,121.87 : 75,153.65 = 18,959.55 : x
  2. Step 2: Convert to fraction form
    50,121.87/75,153.65 = 18,959.55/x
  3. Step 3: Cross multiply
    50,121.87x = 75,153.65 × 18,959.55
  4. Step 4: Simplify right side
    50,121.87x = 1,424,879,290.06
  5. Step 5: Solve for x
    x = 1,424,879,290.06/50,121.87
  6. Step 6: Final answer
    x = 28,428.29

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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.