Home / 50,002.14-69,010.20-28,781.22

Finding the Fourth Proportional to 50,002.14, 69,010.20 and 28,781.22

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Solution

The fourth proportional to 50,002.14, 69,010.20 and 28,781.22 is: 39,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,002.14 : 69,010.20 = 28,781.22 : x
  2. Step 2: Convert to fraction form
    50,002.14/69,010.20 = 28,781.22/x
  3. Step 3: Cross multiply
    50,002.14x = 69,010.20 × 28,781.22
  4. Step 4: Simplify right side
    50,002.14x = 1,986,197,748.44
  5. Step 5: Solve for x
    x = 1,986,197,748.44/50,002.14
  6. Step 6: Final answer
    x = 39,722.25

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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.