Home / 39,183.34-54,071.52-21,277.96

Finding the Fourth Proportional to 39,183.34, 54,071.52 and 21,277.96

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Solution

The fourth proportional to 39,183.34, 54,071.52 and 21,277.96 is: 29,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183.34 : 54,071.52 = 21,277.96 : x
  2. Step 2: Convert to fraction form
    39,183.34/54,071.52 = 21,277.96/x
  3. Step 3: Cross multiply
    39,183.34x = 54,071.52 × 21,277.96
  4. Step 4: Simplify right side
    39,183.34x = 1,150,531,639.70
  5. Step 5: Solve for x
    x = 1,150,531,639.70/39,183.34
  6. Step 6: Final answer
    x = 29,362.78

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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.