Home / 49,863.59-68,811.75-28,642.85

Finding the Fourth Proportional to 49,863.59, 68,811.75 and 28,642.85

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Solution

The fourth proportional to 49,863.59, 68,811.75 and 28,642.85 is: 39,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,863.59 : 68,811.75 = 28,642.85 : x
  2. Step 2: Convert to fraction form
    49,863.59/68,811.75 = 28,642.85/x
  3. Step 3: Cross multiply
    49,863.59x = 68,811.75 × 28,642.85
  4. Step 4: Simplify right side
    49,863.59x = 1,970,964,547.47
  5. Step 5: Solve for x
    x = 1,970,964,547.47/49,863.59
  6. Step 6: Final answer
    x = 39,527.13

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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.