Home / 57,721.28-86,579.88-22,173.44

Finding the Fourth Proportional to 57,721.28, 86,579.88 and 22,173.44

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Solution

The fourth proportional to 57,721.28, 86,579.88 and 22,173.44 is: 33,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.28 : 86,579.88 = 22,173.44 : x
  2. Step 2: Convert to fraction form
    57,721.28/86,579.88 = 22,173.44/x
  3. Step 3: Cross multiply
    57,721.28x = 86,579.88 × 22,173.44
  4. Step 4: Simplify right side
    57,721.28x = 1,919,773,774.39
  5. Step 5: Solve for x
    x = 1,919,773,774.39/57,721.28
  6. Step 6: Final answer
    x = 33,259.38

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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.