Home / 49,296.13-68,040.75-28,087.90

Finding the Fourth Proportional to 49,296.13, 68,040.75 and 28,087.90

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Solution

The fourth proportional to 49,296.13, 68,040.75 and 28,087.90 is: 38,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,296.13 : 68,040.75 = 28,087.90 : x
  2. Step 2: Convert to fraction form
    49,296.13/68,040.75 = 28,087.90/x
  3. Step 3: Cross multiply
    49,296.13x = 68,040.75 × 28,087.90
  4. Step 4: Simplify right side
    49,296.13x = 1,911,121,781.93
  5. Step 5: Solve for x
    x = 1,911,121,781.93/49,296.13
  6. Step 6: Final answer
    x = 38,768.19

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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.