Home / 54,620.06-75,382.86-30,751.40

Finding the Fourth Proportional to 54,620.06, 75,382.86 and 30,751.40

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Solution

The fourth proportional to 54,620.06, 75,382.86 and 30,751.40 is: 42,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.06 : 75,382.86 = 30,751.40 : x
  2. Step 2: Convert to fraction form
    54,620.06/75,382.86 = 30,751.40/x
  3. Step 3: Cross multiply
    54,620.06x = 75,382.86 × 30,751.40
  4. Step 4: Simplify right side
    54,620.06x = 2,318,128,481.00
  5. Step 5: Solve for x
    x = 2,318,128,481.00/54,620.06
  6. Step 6: Final answer
    x = 42,440.97

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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.