Home / 49,939.59-68,918.67-28,718.87

Finding the Fourth Proportional to 49,939.59, 68,918.67 and 28,718.87

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Solution

The fourth proportional to 49,939.59, 68,918.67 and 28,718.87 is: 39,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.59 : 68,918.67 = 28,718.87 : x
  2. Step 2: Convert to fraction form
    49,939.59/68,918.67 = 28,718.87/x
  3. Step 3: Cross multiply
    49,939.59x = 68,918.67 × 28,718.87
  4. Step 4: Simplify right side
    49,939.59x = 1,979,265,979.71
  5. Step 5: Solve for x
    x = 1,979,265,979.71/49,939.59
  6. Step 6: Final answer
    x = 39,633.20

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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.