Home / 54,878.31-75,732.30-29,727.81

Finding the Fourth Proportional to 54,878.31, 75,732.30 and 29,727.81

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Solution

The fourth proportional to 54,878.31, 75,732.30 and 29,727.81 is: 41,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.31 : 75,732.30 = 29,727.81 : x
  2. Step 2: Convert to fraction form
    54,878.31/75,732.30 = 29,727.81/x
  3. Step 3: Cross multiply
    54,878.31x = 75,732.30 × 29,727.81
  4. Step 4: Simplify right side
    54,878.31x = 2,251,355,425.26
  5. Step 5: Solve for x
    x = 2,251,355,425.26/54,878.31
  6. Step 6: Final answer
    x = 41,024.50

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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.