Home / 39,174.19-54,063.73-22,181.43

Finding the Fourth Proportional to 39,174.19, 54,063.73 and 22,181.43

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Solution

The fourth proportional to 39,174.19, 54,063.73 and 22,181.43 is: 30,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.19 : 54,063.73 = 22,181.43 : x
  2. Step 2: Convert to fraction form
    39,174.19/54,063.73 = 22,181.43/x
  3. Step 3: Cross multiply
    39,174.19x = 54,063.73 × 22,181.43
  4. Step 4: Simplify right side
    39,174.19x = 1,199,210,842.53
  5. Step 5: Solve for x
    x = 1,199,210,842.53/39,174.19
  6. Step 6: Final answer
    x = 30,612.27

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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.