Home / 39,543.35-54,571.19-22,550.15

Finding the Fourth Proportional to 39,543.35, 54,571.19 and 22,550.15

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Solution

The fourth proportional to 39,543.35, 54,571.19 and 22,550.15 is: 31,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,543.35 : 54,571.19 = 22,550.15 : x
  2. Step 2: Convert to fraction form
    39,543.35/54,571.19 = 22,550.15/x
  3. Step 3: Cross multiply
    39,543.35x = 54,571.19 × 22,550.15
  4. Step 4: Simplify right side
    39,543.35x = 1,230,588,543.86
  5. Step 5: Solve for x
    x = 1,230,588,543.86/39,543.35
  6. Step 6: Final answer
    x = 31,119.99

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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.