Home / 40,154.37-55,412.21-22,249.32

Finding the Fourth Proportional to 40,154.37, 55,412.21 and 22,249.32

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Solution

The fourth proportional to 40,154.37, 55,412.21 and 22,249.32 is: 30,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.37 : 55,412.21 = 22,249.32 : x
  2. Step 2: Convert to fraction form
    40,154.37/55,412.21 = 22,249.32/x
  3. Step 3: Cross multiply
    40,154.37x = 55,412.21 × 22,249.32
  4. Step 4: Simplify right side
    40,154.37x = 1,232,883,992.20
  5. Step 5: Solve for x
    x = 1,232,883,992.20/40,154.37
  6. Step 6: Final answer
    x = 30,703.61

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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.