Home / 44,175.76-66,278.04-20,804.56

Finding the Fourth Proportional to 44,175.76, 66,278.04 and 20,804.56

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Solution

The fourth proportional to 44,175.76, 66,278.04 and 20,804.56 is: 31,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,175.76 : 66,278.04 = 20,804.56 : x
  2. Step 2: Convert to fraction form
    44,175.76/66,278.04 = 20,804.56/x
  3. Step 3: Cross multiply
    44,175.76x = 66,278.04 × 20,804.56
  4. Step 4: Simplify right side
    44,175.76x = 1,378,885,459.86
  5. Step 5: Solve for x
    x = 1,378,885,459.86/44,175.76
  6. Step 6: Final answer
    x = 31,213.62

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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.