Home / 44,620.96-66,963.76-21,247.20

Finding the Fourth Proportional to 44,620.96, 66,963.76 and 21,247.20

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Solution

The fourth proportional to 44,620.96, 66,963.76 and 21,247.20 is: 31,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,620.96 : 66,963.76 = 21,247.20 : x
  2. Step 2: Convert to fraction form
    44,620.96/66,963.76 = 21,247.20/x
  3. Step 3: Cross multiply
    44,620.96x = 66,963.76 × 21,247.20
  4. Step 4: Simplify right side
    44,620.96x = 1,422,792,401.47
  5. Step 5: Solve for x
    x = 1,422,792,401.47/44,620.96
  6. Step 6: Final answer
    x = 31,886.19

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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.