Home / 54,620.80-75,376.50-30,747.54

Finding the Fourth Proportional to 54,620.80, 75,376.50 and 30,747.54

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Solution

The fourth proportional to 54,620.80, 75,376.50 and 30,747.54 is: 42,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.80 : 75,376.50 = 30,747.54 : x
  2. Step 2: Convert to fraction form
    54,620.80/75,376.50 = 30,747.54/x
  3. Step 3: Cross multiply
    54,620.80x = 75,376.50 × 30,747.54
  4. Step 4: Simplify right side
    54,620.80x = 2,317,641,948.81
  5. Step 5: Solve for x
    x = 2,317,641,948.81/54,620.80
  6. Step 6: Final answer
    x = 42,431.49

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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.