Home / 66,042.27-99,059.94-21,663.18

Finding the Fourth Proportional to 66,042.27, 99,059.94 and 21,663.18

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Solution

The fourth proportional to 66,042.27, 99,059.94 and 21,663.18 is: 32,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042.27 : 99,059.94 = 21,663.18 : x
  2. Step 2: Convert to fraction form
    66,042.27/99,059.94 = 21,663.18/x
  3. Step 3: Cross multiply
    66,042.27x = 99,059.94 × 21,663.18
  4. Step 4: Simplify right side
    66,042.27x = 2,145,953,311.01
  5. Step 5: Solve for x
    x = 2,145,953,311.01/66,042.27
  6. Step 6: Final answer
    x = 32,493.63

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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.