Home / 51,849.79-77,774.92-18,115.65

Finding the Fourth Proportional to 51,849.79, 77,774.92 and 18,115.65

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Solution

The fourth proportional to 51,849.79, 77,774.92 and 18,115.65 is: 27,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,849.79 : 77,774.92 = 18,115.65 : x
  2. Step 2: Convert to fraction form
    51,849.79/77,774.92 = 18,115.65/x
  3. Step 3: Cross multiply
    51,849.79x = 77,774.92 × 18,115.65
  4. Step 4: Simplify right side
    51,849.79x = 1,408,943,184.21
  5. Step 5: Solve for x
    x = 1,408,943,184.21/51,849.79
  6. Step 6: Final answer
    x = 27,173.56

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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.