Home / 54,401.31-75,074.79-30,529.44

Finding the Fourth Proportional to 54,401.31, 75,074.79 and 30,529.44

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Solution

The fourth proportional to 54,401.31, 75,074.79 and 30,529.44 is: 42,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.31 : 75,074.79 = 30,529.44 : x
  2. Step 2: Convert to fraction form
    54,401.31/75,074.79 = 30,529.44/x
  3. Step 3: Cross multiply
    54,401.31x = 75,074.79 × 30,529.44
  4. Step 4: Simplify right side
    54,401.31x = 2,291,991,296.82
  5. Step 5: Solve for x
    x = 2,291,991,296.82/54,401.31
  6. Step 6: Final answer
    x = 42,131.18

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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.