Home / 44,636.17-66,921.44-21,279.01

Finding the Fourth Proportional to 44,636.17, 66,921.44 and 21,279.01

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Solution

The fourth proportional to 44,636.17, 66,921.44 and 21,279.01 is: 31,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,636.17 : 66,921.44 = 21,279.01 : x
  2. Step 2: Convert to fraction form
    44,636.17/66,921.44 = 21,279.01/x
  3. Step 3: Cross multiply
    44,636.17x = 66,921.44 × 21,279.01
  4. Step 4: Simplify right side
    44,636.17x = 1,424,021,990.97
  5. Step 5: Solve for x
    x = 1,424,021,990.97/44,636.17
  6. Step 6: Final answer
    x = 31,902.87

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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.