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Finding the Fourth Proportional to 55,954, 83,937.48 and 18,519.04

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Solution

The fourth proportional to 55,954, 83,937.48 and 18,519.04 is: 27,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,954 : 83,937.48 = 18,519.04 : x
  2. Step 2: Convert to fraction form
    55,954/83,937.48 = 18,519.04/x
  3. Step 3: Cross multiply
    55,954x = 83,937.48 × 18,519.04
  4. Step 4: Simplify right side
    55,954x = 1,554,441,549.62
  5. Step 5: Solve for x
    x = 1,554,441,549.62/55,954
  6. Step 6: Final answer
    x = 27,780.70

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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.