Home / 52,132.56-78,198.86-18,851.89

Finding the Fourth Proportional to 52,132.56, 78,198.86 and 18,851.89

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Solution

The fourth proportional to 52,132.56, 78,198.86 and 18,851.89 is: 28,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.56 : 78,198.86 = 18,851.89 : x
  2. Step 2: Convert to fraction form
    52,132.56/78,198.86 = 18,851.89/x
  3. Step 3: Cross multiply
    52,132.56x = 78,198.86 × 18,851.89
  4. Step 4: Simplify right side
    52,132.56x = 1,474,196,306.85
  5. Step 5: Solve for x
    x = 1,474,196,306.85/52,132.56
  6. Step 6: Final answer
    x = 28,277.84

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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.