Home / 40,039.47-55,249.66-22,132.02

Finding the Fourth Proportional to 40,039.47, 55,249.66 and 22,132.02

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Solution

The fourth proportional to 40,039.47, 55,249.66 and 22,132.02 is: 30,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.47 : 55,249.66 = 22,132.02 : x
  2. Step 2: Convert to fraction form
    40,039.47/55,249.66 = 22,132.02/x
  3. Step 3: Cross multiply
    40,039.47x = 55,249.66 × 22,132.02
  4. Step 4: Simplify right side
    40,039.47x = 1,222,786,814.96
  5. Step 5: Solve for x
    x = 1,222,786,814.96/40,039.47
  6. Step 6: Final answer
    x = 30,539.54

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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.