Home / 49,538.13-68,362.62-28,317.87

Finding the Fourth Proportional to 49,538.13, 68,362.62 and 28,317.87

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Solution

The fourth proportional to 49,538.13, 68,362.62 and 28,317.87 is: 39,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.13 : 68,362.62 = 28,317.87 : x
  2. Step 2: Convert to fraction form
    49,538.13/68,362.62 = 28,317.87/x
  3. Step 3: Cross multiply
    49,538.13x = 68,362.62 × 28,317.87
  4. Step 4: Simplify right side
    49,538.13x = 1,935,883,786.02
  5. Step 5: Solve for x
    x = 1,935,883,786.02/49,538.13
  6. Step 6: Final answer
    x = 39,078.66

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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.