Home / 50,278.69-69,377.07-28,765.02

Finding the Fourth Proportional to 50,278.69, 69,377.07 and 28,765.02

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Solution

The fourth proportional to 50,278.69, 69,377.07 and 28,765.02 is: 39,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278.69 : 69,377.07 = 28,765.02 : x
  2. Step 2: Convert to fraction form
    50,278.69/69,377.07 = 28,765.02/x
  3. Step 3: Cross multiply
    50,278.69x = 69,377.07 × 28,765.02
  4. Step 4: Simplify right side
    50,278.69x = 1,995,632,881.44
  5. Step 5: Solve for x
    x = 1,995,632,881.44/50,278.69
  6. Step 6: Final answer
    x = 39,691.42

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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.