Home / 66,217.24-99,327.66-19,471.60

Finding the Fourth Proportional to 66,217.24, 99,327.66 and 19,471.60

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Solution

The fourth proportional to 66,217.24, 99,327.66 and 19,471.60 is: 29,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217.24 : 99,327.66 = 19,471.60 : x
  2. Step 2: Convert to fraction form
    66,217.24/99,327.66 = 19,471.60/x
  3. Step 3: Cross multiply
    66,217.24x = 99,327.66 × 19,471.60
  4. Step 4: Simplify right side
    66,217.24x = 1,934,068,464.46
  5. Step 5: Solve for x
    x = 1,934,068,464.46/66,217.24
  6. Step 6: Final answer
    x = 29,207.93

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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.