Home / 39,181.91-58,784.25-14,221.56

Finding the Fourth Proportional to 39,181.91, 58,784.25 and 14,221.56

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Solution

The fourth proportional to 39,181.91, 58,784.25 and 14,221.56 is: 21,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.91 : 58,784.25 = 14,221.56 : x
  2. Step 2: Convert to fraction form
    39,181.91/58,784.25 = 14,221.56/x
  3. Step 3: Cross multiply
    39,181.91x = 58,784.25 × 14,221.56
  4. Step 4: Simplify right side
    39,181.91x = 836,003,738.43
  5. Step 5: Solve for x
    x = 836,003,738.43/39,181.91
  6. Step 6: Final answer
    x = 21,336.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.