Home / 50,375.04-69,516.16-28,019.20

Finding the Fourth Proportional to 50,375.04, 69,516.16 and 28,019.20

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Solution

The fourth proportional to 50,375.04, 69,516.16 and 28,019.20 is: 38,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,375.04 : 69,516.16 = 28,019.20 : x
  2. Step 2: Convert to fraction form
    50,375.04/69,516.16 = 28,019.20/x
  3. Step 3: Cross multiply
    50,375.04x = 69,516.16 × 28,019.20
  4. Step 4: Simplify right side
    50,375.04x = 1,947,787,190.27
  5. Step 5: Solve for x
    x = 1,947,787,190.27/50,375.04
  6. Step 6: Final answer
    x = 38,665.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.