Home / 54,399.16-81,522.12-43,256.38

Finding the Fourth Proportional to 54,399.16, 81,522.12 and 43,256.38

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Solution

The fourth proportional to 54,399.16, 81,522.12 and 43,256.38 is: 64,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,399.16 : 81,522.12 = 43,256.38 : x
  2. Step 2: Convert to fraction form
    54,399.16/81,522.12 = 43,256.38/x
  3. Step 3: Cross multiply
    54,399.16x = 81,522.12 × 43,256.38
  4. Step 4: Simplify right side
    54,399.16x = 3,526,351,801.13
  5. Step 5: Solve for x
    x = 3,526,351,801.13/54,399.16
  6. Step 6: Final answer
    x = 64,823.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.