Home / 54,401.56-81,564.05-21,093.55

Finding the Fourth Proportional to 54,401.56, 81,564.05 and 21,093.55

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Solution

The fourth proportional to 54,401.56, 81,564.05 and 21,093.55 is: 31,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.56 : 81,564.05 = 21,093.55 : x
  2. Step 2: Convert to fraction form
    54,401.56/81,564.05 = 21,093.55/x
  3. Step 3: Cross multiply
    54,401.56x = 81,564.05 × 21,093.55
  4. Step 4: Simplify right side
    54,401.56x = 1,720,475,215.70
  5. Step 5: Solve for x
    x = 1,720,475,215.70/54,401.56
  6. Step 6: Final answer
    x = 31,625.48

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1.5x scale

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.