Home / 44,635.90-66,965.11-20,608.63

Finding the Fourth Proportional to 44,635.90, 66,965.11 and 20,608.63

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Solution

The fourth proportional to 44,635.90, 66,965.11 and 20,608.63 is: 30,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,635.90 : 66,965.11 = 20,608.63 : x
  2. Step 2: Convert to fraction form
    44,635.90/66,965.11 = 20,608.63/x
  3. Step 3: Cross multiply
    44,635.90x = 66,965.11 × 20,608.63
  4. Step 4: Simplify right side
    44,635.90x = 1,380,059,071.86
  5. Step 5: Solve for x
    x = 1,380,059,071.86/44,635.90
  6. Step 6: Final answer
    x = 30,918.14

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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.