Home / 54,401.32-81,593.34-21,136.60

Finding the Fourth Proportional to 54,401.32, 81,593.34 and 21,136.60

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Solution

The fourth proportional to 54,401.32, 81,593.34 and 21,136.60 is: 31,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.32 : 81,593.34 = 21,136.60 : x
  2. Step 2: Convert to fraction form
    54,401.32/81,593.34 = 21,136.60/x
  3. Step 3: Cross multiply
    54,401.32x = 81,593.34 × 21,136.60
  4. Step 4: Simplify right side
    54,401.32x = 1,724,605,790.24
  5. Step 5: Solve for x
    x = 1,724,605,790.24/54,401.32
  6. Step 6: Final answer
    x = 31,701.54

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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.