Home / 48,918.67-73,398.89-20,851.93

Finding the Fourth Proportional to 48,918.67, 73,398.89 and 20,851.93

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Solution

The fourth proportional to 48,918.67, 73,398.89 and 20,851.93 is: 31,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,918.67 : 73,398.89 = 20,851.93 : x
  2. Step 2: Convert to fraction form
    48,918.67/73,398.89 = 20,851.93/x
  3. Step 3: Cross multiply
    48,918.67x = 73,398.89 × 20,851.93
  4. Step 4: Simplify right side
    48,918.67x = 1,530,508,228.60
  5. Step 5: Solve for x
    x = 1,530,508,228.60/48,918.67
  6. Step 6: Final answer
    x = 31,286.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.