Home / 60,996.38-91,500.57-21,018.56

Finding the Fourth Proportional to 60,996.38, 91,500.57 and 21,018.56

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Solution

The fourth proportional to 60,996.38, 91,500.57 and 21,018.56 is: 31,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,996.38 : 91,500.57 = 21,018.56 : x
  2. Step 2: Convert to fraction form
    60,996.38/91,500.57 = 21,018.56/x
  3. Step 3: Cross multiply
    60,996.38x = 91,500.57 × 21,018.56
  4. Step 4: Simplify right side
    60,996.38x = 1,923,209,763.08
  5. Step 5: Solve for x
    x = 1,923,209,763.08/60,996.38
  6. Step 6: Final answer
    x = 31,529.90

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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.