Home / 39,691.62-54,600.30-33,196.32

Finding the Fourth Proportional to 39,691.62, 54,600.30 and 33,196.32

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Solution

The fourth proportional to 39,691.62, 54,600.30 and 33,196.32 is: 45,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691.62 : 54,600.30 = 33,196.32 : x
  2. Step 2: Convert to fraction form
    39,691.62/54,600.30 = 33,196.32/x
  3. Step 3: Cross multiply
    39,691.62x = 54,600.30 × 33,196.32
  4. Step 4: Simplify right side
    39,691.62x = 1,812,529,030.90
  5. Step 5: Solve for x
    x = 1,812,529,030.90/39,691.62
  6. Step 6: Final answer
    x = 45,665.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.