Home / 40,166.67-55,429.88-22,261.49

Finding the Fourth Proportional to 40,166.67, 55,429.88 and 22,261.49

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Solution

The fourth proportional to 40,166.67, 55,429.88 and 22,261.49 is: 30,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.67 : 55,429.88 = 22,261.49 : x
  2. Step 2: Convert to fraction form
    40,166.67/55,429.88 = 22,261.49/x
  3. Step 3: Cross multiply
    40,166.67x = 55,429.88 × 22,261.49
  4. Step 4: Simplify right side
    40,166.67x = 1,233,951,330.86
  5. Step 5: Solve for x
    x = 1,233,951,330.86/40,166.67
  6. Step 6: Final answer
    x = 30,720.78

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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.