Home / 54,181.18-74,776.23-30,313.90

Finding the Fourth Proportional to 54,181.18, 74,776.23 and 30,313.90

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Solution

The fourth proportional to 54,181.18, 74,776.23 and 30,313.90 is: 41,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,181.18 : 74,776.23 = 30,313.90 : x
  2. Step 2: Convert to fraction form
    54,181.18/74,776.23 = 30,313.90/x
  3. Step 3: Cross multiply
    54,181.18x = 74,776.23 × 30,313.90
  4. Step 4: Simplify right side
    54,181.18x = 2,266,759,158.60
  5. Step 5: Solve for x
    x = 2,266,759,158.60/54,181.18
  6. Step 6: Final answer
    x = 41,836.65

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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.