Home / 54,401.64-81,586.06-21,114.30

Finding the Fourth Proportional to 54,401.64, 81,586.06 and 21,114.30

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Solution

The fourth proportional to 54,401.64, 81,586.06 and 21,114.30 is: 31,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.64 : 81,586.06 = 21,114.30 : x
  2. Step 2: Convert to fraction form
    54,401.64/81,586.06 = 21,114.30/x
  3. Step 3: Cross multiply
    54,401.64x = 81,586.06 × 21,114.30
  4. Step 4: Simplify right side
    54,401.64x = 1,722,632,546.66
  5. Step 5: Solve for x
    x = 1,722,632,546.66/54,401.64
  6. Step 6: Final answer
    x = 31,665.08

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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.