Home / 54,520.48-81,732.12-19,452.34

Finding the Fourth Proportional to 54,520.48, 81,732.12 and 19,452.34

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Solution

The fourth proportional to 54,520.48, 81,732.12 and 19,452.34 is: 29,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.48 : 81,732.12 = 19,452.34 : x
  2. Step 2: Convert to fraction form
    54,520.48/81,732.12 = 19,452.34/x
  3. Step 3: Cross multiply
    54,520.48x = 81,732.12 × 19,452.34
  4. Step 4: Simplify right side
    54,520.48x = 1,589,880,987.16
  5. Step 5: Solve for x
    x = 1,589,880,987.16/54,520.48
  6. Step 6: Final answer
    x = 29,161.17

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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.