Home / 54,278.46-74,903.40-30,404.97

Finding the Fourth Proportional to 54,278.46, 74,903.40 and 30,404.97

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Solution

The fourth proportional to 54,278.46, 74,903.40 and 30,404.97 is: 41,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.46 : 74,903.40 = 30,404.97 : x
  2. Step 2: Convert to fraction form
    54,278.46/74,903.40 = 30,404.97/x
  3. Step 3: Cross multiply
    54,278.46x = 74,903.40 × 30,404.97
  4. Step 4: Simplify right side
    54,278.46x = 2,277,435,629.90
  5. Step 5: Solve for x
    x = 2,277,435,629.90/54,278.46
  6. Step 6: Final answer
    x = 41,958.37

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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.