Home / 39,538.92-54,562.59-21,633.54

Finding the Fourth Proportional to 39,538.92, 54,562.59 and 21,633.54

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Solution

The fourth proportional to 39,538.92, 54,562.59 and 21,633.54 is: 29,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.92 : 54,562.59 = 21,633.54 : x
  2. Step 2: Convert to fraction form
    39,538.92/54,562.59 = 21,633.54/x
  3. Step 3: Cross multiply
    39,538.92x = 54,562.59 × 21,633.54
  4. Step 4: Simplify right side
    39,538.92x = 1,180,381,973.27
  5. Step 5: Solve for x
    x = 1,180,381,973.27/39,538.92
  6. Step 6: Final answer
    x = 29,853.67

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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.