Home / 36,516.78-54,764.22-13,137.75

Finding the Fourth Proportional to 36,516.78, 54,764.22 and 13,137.75

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Solution

The fourth proportional to 36,516.78, 54,764.22 and 13,137.75 is: 19,702.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,516.78 : 54,764.22 = 13,137.75 : x
  2. Step 2: Convert to fraction form
    36,516.78/54,764.22 = 13,137.75/x
  3. Step 3: Cross multiply
    36,516.78x = 54,764.22 × 13,137.75
  4. Step 4: Simplify right side
    36,516.78x = 719,478,631.31
  5. Step 5: Solve for x
    x = 719,478,631.31/36,516.78
  6. Step 6: Final answer
    x = 19,702.69

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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.