Home / 52,515.20-78,791.62-22,516.86

Finding the Fourth Proportional to 52,515.20, 78,791.62 and 22,516.86

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Solution

The fourth proportional to 52,515.20, 78,791.62 and 22,516.86 is: 33,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.20 : 78,791.62 = 22,516.86 : x
  2. Step 2: Convert to fraction form
    52,515.20/78,791.62 = 22,516.86/x
  3. Step 3: Cross multiply
    52,515.20x = 78,791.62 × 22,516.86
  4. Step 4: Simplify right side
    52,515.20x = 1,774,139,876.71
  5. Step 5: Solve for x
    x = 1,774,139,876.71/52,515.20
  6. Step 6: Final answer
    x = 33,783.36

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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.