Home / 54,388.03-81,561.53-26,298.75

Finding the Fourth Proportional to 54,388.03, 81,561.53 and 26,298.75

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Solution

The fourth proportional to 54,388.03, 81,561.53 and 26,298.75 is: 39,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.03 : 81,561.53 = 26,298.75 : x
  2. Step 2: Convert to fraction form
    54,388.03/81,561.53 = 26,298.75/x
  3. Step 3: Cross multiply
    54,388.03x = 81,561.53 × 26,298.75
  4. Step 4: Simplify right side
    54,388.03x = 2,144,966,287.09
  5. Step 5: Solve for x
    x = 2,144,966,287.09/54,388.03
  6. Step 6: Final answer
    x = 39,438.21

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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.