Home / 66,044.70-99,063.57-21,665.61

Finding the Fourth Proportional to 66,044.70, 99,063.57 and 21,665.61

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Solution

The fourth proportional to 66,044.70, 99,063.57 and 21,665.61 is: 32,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,044.70 : 99,063.57 = 21,665.61 : x
  2. Step 2: Convert to fraction form
    66,044.70/99,063.57 = 21,665.61/x
  3. Step 3: Cross multiply
    66,044.70x = 99,063.57 × 21,665.61
  4. Step 4: Simplify right side
    66,044.70x = 2,146,272,672.83
  5. Step 5: Solve for x
    x = 2,146,272,672.83/66,044.70
  6. Step 6: Final answer
    x = 32,497.27

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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.