Home / 54,109.12-74,669.15-30,235.99

Finding the Fourth Proportional to 54,109.12, 74,669.15 and 30,235.99

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Solution

The fourth proportional to 54,109.12, 74,669.15 and 30,235.99 is: 41,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.12 : 74,669.15 = 30,235.99 : x
  2. Step 2: Convert to fraction form
    54,109.12/74,669.15 = 30,235.99/x
  3. Step 3: Cross multiply
    54,109.12x = 74,669.15 × 30,235.99
  4. Step 4: Simplify right side
    54,109.12x = 2,257,695,644.94
  5. Step 5: Solve for x
    x = 2,257,695,644.94/54,109.12
  6. Step 6: Final answer
    x = 41,724.86

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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.