Home / 40,149.36-60,171.72-22,379.30

Finding the Fourth Proportional to 40,149.36, 60,171.72 and 22,379.30

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Solution

The fourth proportional to 40,149.36, 60,171.72 and 22,379.30 is: 33,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.36 : 60,171.72 = 22,379.30 : x
  2. Step 2: Convert to fraction form
    40,149.36/60,171.72 = 22,379.30/x
  3. Step 3: Cross multiply
    40,149.36x = 60,171.72 × 22,379.30
  4. Step 4: Simplify right side
    40,149.36x = 1,346,601,123.83
  5. Step 5: Solve for x
    x = 1,346,601,123.83/40,149.36
  6. Step 6: Final answer
    x = 33,539.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.