Home / 54,257.31-74,878.64-30,385.52

Finding the Fourth Proportional to 54,257.31, 74,878.64 and 30,385.52

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Solution

The fourth proportional to 54,257.31, 74,878.64 and 30,385.52 is: 41,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,257.31 : 74,878.64 = 30,385.52 : x
  2. Step 2: Convert to fraction form
    54,257.31/74,878.64 = 30,385.52/x
  3. Step 3: Cross multiply
    54,257.31x = 74,878.64 × 30,385.52
  4. Step 4: Simplify right side
    54,257.31x = 2,275,226,413.29
  5. Step 5: Solve for x
    x = 2,275,226,413.29/54,257.31
  6. Step 6: Final answer
    x = 41,934.01

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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.