Home / 54,187.72-74,799.11-40,797.81

Finding the Fourth Proportional to 54,187.72, 74,799.11 and 40,797.81

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Solution

The fourth proportional to 54,187.72, 74,799.11 and 40,797.81 is: 56,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.72 : 74,799.11 = 40,797.81 : x
  2. Step 2: Convert to fraction form
    54,187.72/74,799.11 = 40,797.81/x
  3. Step 3: Cross multiply
    54,187.72x = 74,799.11 × 40,797.81
  4. Step 4: Simplify right side
    54,187.72x = 3,051,639,979.94
  5. Step 5: Solve for x
    x = 3,051,639,979.94/54,187.72
  6. Step 6: Final answer
    x = 56,316.08

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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.