Home / 66,571.20-99,873.72-19,824.48

Finding the Fourth Proportional to 66,571.20, 99,873.72 and 19,824.48

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Solution

The fourth proportional to 66,571.20, 99,873.72 and 19,824.48 is: 29,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,571.20 : 99,873.72 = 19,824.48 : x
  2. Step 2: Convert to fraction form
    66,571.20/99,873.72 = 19,824.48/x
  3. Step 3: Cross multiply
    66,571.20x = 99,873.72 × 19,824.48
  4. Step 4: Simplify right side
    66,571.20x = 1,979,944,564.67
  5. Step 5: Solve for x
    x = 1,979,944,564.67/66,571.20
  6. Step 6: Final answer
    x = 29,741.76

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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.