Home / 39,205.05-54,099.06-22,205.91

Finding the Fourth Proportional to 39,205.05, 54,099.06 and 22,205.91

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Solution

The fourth proportional to 39,205.05, 54,099.06 and 22,205.91 is: 30,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.05 : 54,099.06 = 22,205.91 : x
  2. Step 2: Convert to fraction form
    39,205.05/54,099.06 = 22,205.91/x
  3. Step 3: Cross multiply
    39,205.05x = 54,099.06 × 22,205.91
  4. Step 4: Simplify right side
    39,205.05x = 1,201,318,857.44
  5. Step 5: Solve for x
    x = 1,201,318,857.44/39,205.05
  6. Step 6: Final answer
    x = 30,641.94

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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.