Home / 51,745.20-77,618.16-22,138.08

Finding the Fourth Proportional to 51,745.20, 77,618.16 and 22,138.08

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Solution

The fourth proportional to 51,745.20, 77,618.16 and 22,138.08 is: 33,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,745.20 : 77,618.16 = 22,138.08 : x
  2. Step 2: Convert to fraction form
    51,745.20/77,618.16 = 22,138.08/x
  3. Step 3: Cross multiply
    51,745.20x = 77,618.16 × 22,138.08
  4. Step 4: Simplify right side
    51,745.20x = 1,718,317,035.53
  5. Step 5: Solve for x
    x = 1,718,317,035.53/51,745.20
  6. Step 6: Final answer
    x = 33,207.27

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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.