Home / 39,584.66-54,624.80-21,676.20

Finding the Fourth Proportional to 39,584.66, 54,624.80 and 21,676.20

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Solution

The fourth proportional to 39,584.66, 54,624.80 and 21,676.20 is: 29,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,584.66 : 54,624.80 = 21,676.20 : x
  2. Step 2: Convert to fraction form
    39,584.66/54,624.80 = 21,676.20/x
  3. Step 3: Cross multiply
    39,584.66x = 54,624.80 × 21,676.20
  4. Step 4: Simplify right side
    39,584.66x = 1,184,057,981.38
  5. Step 5: Solve for x
    x = 1,184,057,981.38/39,584.66
  6. Step 6: Final answer
    x = 29,912.04

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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.