Home / 39,529.96-54,552.15-21,626.14

Finding the Fourth Proportional to 39,529.96, 54,552.15 and 21,626.14

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Solution

The fourth proportional to 39,529.96, 54,552.15 and 21,626.14 is: 29,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,529.96 : 54,552.15 = 21,626.14 : x
  2. Step 2: Convert to fraction form
    39,529.96/54,552.15 = 21,626.14/x
  3. Step 3: Cross multiply
    39,529.96x = 54,552.15 × 21,626.14
  4. Step 4: Simplify right side
    39,529.96x = 1,179,752,433.20
  5. Step 5: Solve for x
    x = 1,179,752,433.20/39,529.96
  6. Step 6: Final answer
    x = 29,844.51

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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.