Home / 50,377.12-69,520.24-28,021.12

Finding the Fourth Proportional to 50,377.12, 69,520.24 and 28,021.12

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Solution

The fourth proportional to 50,377.12, 69,520.24 and 28,021.12 is: 38,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,377.12 : 69,520.24 = 28,021.12 : x
  2. Step 2: Convert to fraction form
    50,377.12/69,520.24 = 28,021.12/x
  3. Step 3: Cross multiply
    50,377.12x = 69,520.24 × 28,021.12
  4. Step 4: Simplify right side
    50,377.12x = 1,948,034,987.47
  5. Step 5: Solve for x
    x = 1,948,034,987.47/50,377.12
  6. Step 6: Final answer
    x = 38,669.04

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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.