Home / 54,685.65-75,464.83-31,719.53

Finding the Fourth Proportional to 54,685.65, 75,464.83 and 31,719.53

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Solution

The fourth proportional to 54,685.65, 75,464.83 and 31,719.53 is: 43,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.65 : 75,464.83 = 31,719.53 : x
  2. Step 2: Convert to fraction form
    54,685.65/75,464.83 = 31,719.53/x
  3. Step 3: Cross multiply
    54,685.65x = 75,464.83 × 31,719.53
  4. Step 4: Simplify right side
    54,685.65x = 2,393,708,874.44
  5. Step 5: Solve for x
    x = 2,393,708,874.44/54,685.65
  6. Step 6: Final answer
    x = 43,772.16

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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.