Home / 49,605.36-68,452.20-28,381.20

Finding the Fourth Proportional to 49,605.36, 68,452.20 and 28,381.20

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Solution

The fourth proportional to 49,605.36, 68,452.20 and 28,381.20 is: 39,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,605.36 : 68,452.20 = 28,381.20 : x
  2. Step 2: Convert to fraction form
    49,605.36/68,452.20 = 28,381.20/x
  3. Step 3: Cross multiply
    49,605.36x = 68,452.20 × 28,381.20
  4. Step 4: Simplify right side
    49,605.36x = 1,942,755,578.64
  5. Step 5: Solve for x
    x = 1,942,755,578.64/49,605.36
  6. Step 6: Final answer
    x = 39,164.23

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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.