Home / 52,989.45-73,121.94-29,115.63

Finding the Fourth Proportional to 52,989.45, 73,121.94 and 29,115.63

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Solution

The fourth proportional to 52,989.45, 73,121.94 and 29,115.63 is: 40,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,989.45 : 73,121.94 = 29,115.63 : x
  2. Step 2: Convert to fraction form
    52,989.45/73,121.94 = 29,115.63/x
  3. Step 3: Cross multiply
    52,989.45x = 73,121.94 × 29,115.63
  4. Step 4: Simplify right side
    52,989.45x = 2,128,991,349.92
  5. Step 5: Solve for x
    x = 2,128,991,349.92/52,989.45
  6. Step 6: Final answer
    x = 40,177.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.