Home / 54,754.67-75,558.36-30,879.92

Finding the Fourth Proportional to 54,754.67, 75,558.36 and 30,879.92

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Solution

The fourth proportional to 54,754.67, 75,558.36 and 30,879.92 is: 42,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.67 : 75,558.36 = 30,879.92 : x
  2. Step 2: Convert to fraction form
    54,754.67/75,558.36 = 30,879.92/x
  3. Step 3: Cross multiply
    54,754.67x = 75,558.36 × 30,879.92
  4. Step 4: Simplify right side
    54,754.67x = 2,333,236,112.13
  5. Step 5: Solve for x
    x = 2,333,236,112.13/54,754.67
  6. Step 6: Final answer
    x = 42,612.55

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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.