Home / 54,513.35-81,801.75-22,921.12

Finding the Fourth Proportional to 54,513.35, 81,801.75 and 22,921.12

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Solution

The fourth proportional to 54,513.35, 81,801.75 and 22,921.12 is: 34,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.35 : 81,801.75 = 22,921.12 : x
  2. Step 2: Convert to fraction form
    54,513.35/81,801.75 = 22,921.12/x
  3. Step 3: Cross multiply
    54,513.35x = 81,801.75 × 22,921.12
  4. Step 4: Simplify right side
    54,513.35x = 1,874,987,727.96
  5. Step 5: Solve for x
    x = 1,874,987,727.96/54,513.35
  6. Step 6: Final answer
    x = 34,395.02

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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.