Home / 40,062.96-55,286.60-22,157.30

Finding the Fourth Proportional to 40,062.96, 55,286.60 and 22,157.30

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Solution

The fourth proportional to 40,062.96, 55,286.60 and 22,157.30 is: 30,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,062.96 : 55,286.60 = 22,157.30 : x
  2. Step 2: Convert to fraction form
    40,062.96/55,286.60 = 22,157.30/x
  3. Step 3: Cross multiply
    40,062.96x = 55,286.60 × 22,157.30
  4. Step 4: Simplify right side
    40,062.96x = 1,225,001,394.96
  5. Step 5: Solve for x
    x = 1,225,001,394.96/40,062.96
  6. Step 6: Final answer
    x = 30,576.91

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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.