Home / 49,939.47-68,918.49-28,718.74

Finding the Fourth Proportional to 49,939.47, 68,918.49 and 28,718.74

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Solution

The fourth proportional to 49,939.47, 68,918.49 and 28,718.74 is: 39,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.47 : 68,918.49 = 28,718.74 : x
  2. Step 2: Convert to fraction form
    49,939.47/68,918.49 = 28,718.74/x
  3. Step 3: Cross multiply
    49,939.47x = 68,918.49 × 28,718.74
  4. Step 4: Simplify right side
    49,939.47x = 1,979,252,195.50
  5. Step 5: Solve for x
    x = 1,979,252,195.50/49,939.47
  6. Step 6: Final answer
    x = 39,633.02

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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.