Home / 54,183.74-74,781.09-30,312.02

Finding the Fourth Proportional to 54,183.74, 74,781.09 and 30,312.02

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Solution

The fourth proportional to 54,183.74, 74,781.09 and 30,312.02 is: 41,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.74 : 74,781.09 = 30,312.02 : x
  2. Step 2: Convert to fraction form
    54,183.74/74,781.09 = 30,312.02/x
  3. Step 3: Cross multiply
    54,183.74x = 74,781.09 × 30,312.02
  4. Step 4: Simplify right side
    54,183.74x = 2,266,766,082.65
  5. Step 5: Solve for x
    x = 2,266,766,082.65/54,183.74
  6. Step 6: Final answer
    x = 41,834.81

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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.