Home / 49,945.51-68,926.90-28,724.79

Finding the Fourth Proportional to 49,945.51, 68,926.90 and 28,724.79

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Solution

The fourth proportional to 49,945.51, 68,926.90 and 28,724.79 is: 39,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,945.51 : 68,926.90 = 28,724.79 : x
  2. Step 2: Convert to fraction form
    49,945.51/68,926.90 = 28,724.79/x
  3. Step 3: Cross multiply
    49,945.51x = 68,926.90 × 28,724.79
  4. Step 4: Simplify right side
    49,945.51x = 1,979,910,727.85
  5. Step 5: Solve for x
    x = 1,979,910,727.85/49,945.51
  6. Step 6: Final answer
    x = 39,641.42

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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.