Home / 49,881.88-68,836.38-28,659.47

Finding the Fourth Proportional to 49,881.88, 68,836.38 and 28,659.47

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Solution

The fourth proportional to 49,881.88, 68,836.38 and 28,659.47 is: 39,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,881.88 : 68,836.38 = 28,659.47 : x
  2. Step 2: Convert to fraction form
    49,881.88/68,836.38 = 28,659.47/x
  3. Step 3: Cross multiply
    49,881.88x = 68,836.38 × 28,659.47
  4. Step 4: Simplify right side
    49,881.88x = 1,972,814,167.52
  5. Step 5: Solve for x
    x = 1,972,814,167.52/49,881.88
  6. Step 6: Final answer
    x = 39,549.72

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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.