Home / 38,616.11-53,277.84-21,617.85

Finding the Fourth Proportional to 38,616.11, 53,277.84 and 21,617.85

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Solution

The fourth proportional to 38,616.11, 53,277.84 and 21,617.85 is: 29,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616.11 : 53,277.84 = 21,617.85 : x
  2. Step 2: Convert to fraction form
    38,616.11/53,277.84 = 21,617.85/x
  3. Step 3: Cross multiply
    38,616.11x = 53,277.84 × 21,617.85
  4. Step 4: Simplify right side
    38,616.11x = 1,151,752,353.44
  5. Step 5: Solve for x
    x = 1,151,752,353.44/38,616.11
  6. Step 6: Final answer
    x = 29,825.70

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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.