Home / 48,960.80-67,561.26-27,740

Finding the Fourth Proportional to 48,960.80, 67,561.26 and 27,740

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Solution

The fourth proportional to 48,960.80, 67,561.26 and 27,740 is: 38,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,960.80 : 67,561.26 = 27,740 : x
  2. Step 2: Convert to fraction form
    48,960.80/67,561.26 = 27,740/x
  3. Step 3: Cross multiply
    48,960.80x = 67,561.26 × 27,740
  4. Step 4: Simplify right side
    48,960.80x = 1,874,149,352.40
  5. Step 5: Solve for x
    x = 1,874,149,352.40/48,960.80
  6. Step 6: Final answer
    x = 38,278.57

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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.