Home / 66,222.56-99,312.76-21,841.04

Finding the Fourth Proportional to 66,222.56, 99,312.76 and 21,841.04

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Solution

The fourth proportional to 66,222.56, 99,312.76 and 21,841.04 is: 32,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.56 : 99,312.76 = 21,841.04 : x
  2. Step 2: Convert to fraction form
    66,222.56/99,312.76 = 21,841.04/x
  3. Step 3: Cross multiply
    66,222.56x = 99,312.76 × 21,841.04
  4. Step 4: Simplify right side
    66,222.56x = 2,169,093,963.67
  5. Step 5: Solve for x
    x = 2,169,093,963.67/66,222.56
  6. Step 6: Final answer
    x = 32,754.61

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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.