Home / 54,755.72-75,562.86-30,882.34

Finding the Fourth Proportional to 54,755.72, 75,562.86 and 30,882.34

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Solution

The fourth proportional to 54,755.72, 75,562.86 and 30,882.34 is: 42,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.72 : 75,562.86 = 30,882.34 : x
  2. Step 2: Convert to fraction form
    54,755.72/75,562.86 = 30,882.34/x
  3. Step 3: Cross multiply
    54,755.72x = 75,562.86 × 30,882.34
  4. Step 4: Simplify right side
    54,755.72x = 2,333,557,933.89
  5. Step 5: Solve for x
    x = 2,333,557,933.89/54,755.72
  6. Step 6: Final answer
    x = 42,617.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.