Home / 49,943.00-68,919.71-28,431.42

Finding the Fourth Proportional to 49,943.00, 68,919.71 and 28,431.42

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Solution

The fourth proportional to 49,943.00, 68,919.71 and 28,431.42 is: 39,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,943.00 : 68,919.71 = 28,431.42 : x
  2. Step 2: Convert to fraction form
    49,943.00/68,919.71 = 28,431.42/x
  3. Step 3: Cross multiply
    49,943.00x = 68,919.71 × 28,431.42
  4. Step 4: Simplify right side
    49,943.00x = 1,959,485,079.13
  5. Step 5: Solve for x
    x = 1,959,485,079.13/49,943.00
  6. Step 6: Final answer
    x = 39,234.43

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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.