Home / 54,909.54-75,788.73-36,072.18

Finding the Fourth Proportional to 54,909.54, 75,788.73 and 36,072.18

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Solution

The fourth proportional to 54,909.54, 75,788.73 and 36,072.18 is: 49,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.54 : 75,788.73 = 36,072.18 : x
  2. Step 2: Convert to fraction form
    54,909.54/75,788.73 = 36,072.18/x
  3. Step 3: Cross multiply
    54,909.54x = 75,788.73 × 36,072.18
  4. Step 4: Simplify right side
    54,909.54x = 2,733,864,710.53
  5. Step 5: Solve for x
    x = 2,733,864,710.53/54,909.54
  6. Step 6: Final answer
    x = 49,788.52

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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.