Home / 48,731.82-73,074.69-22,428.78

Finding the Fourth Proportional to 48,731.82, 73,074.69 and 22,428.78

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Solution

The fourth proportional to 48,731.82, 73,074.69 and 22,428.78 is: 33,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.82 : 73,074.69 = 22,428.78 : x
  2. Step 2: Convert to fraction form
    48,731.82/73,074.69 = 22,428.78/x
  3. Step 3: Cross multiply
    48,731.82x = 73,074.69 × 22,428.78
  4. Step 4: Simplify right side
    48,731.82x = 1,638,976,145.58
  5. Step 5: Solve for x
    x = 1,638,976,145.58/48,731.82
  6. Step 6: Final answer
    x = 33,632.57

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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.