Home / 54,140.31-74,712.92-30,266.73

Finding the Fourth Proportional to 54,140.31, 74,712.92 and 30,266.73

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Solution

The fourth proportional to 54,140.31, 74,712.92 and 30,266.73 is: 41,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.31 : 74,712.92 = 30,266.73 : x
  2. Step 2: Convert to fraction form
    54,140.31/74,712.92 = 30,266.73/x
  3. Step 3: Cross multiply
    54,140.31x = 74,712.92 × 30,266.73
  4. Step 4: Simplify right side
    54,140.31x = 2,261,315,625.82
  5. Step 5: Solve for x
    x = 2,261,315,625.82/54,140.31
  6. Step 6: Final answer
    x = 41,767.69

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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.