Home / 42,173.40-63,239.22-22,446.60

Finding the Fourth Proportional to 42,173.40, 63,239.22 and 22,446.60

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Solution

The fourth proportional to 42,173.40, 63,239.22 and 22,446.60 is: 33,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.40 : 63,239.22 = 22,446.60 : x
  2. Step 2: Convert to fraction form
    42,173.40/63,239.22 = 22,446.60/x
  3. Step 3: Cross multiply
    42,173.40x = 63,239.22 × 22,446.60
  4. Step 4: Simplify right side
    42,173.40x = 1,419,505,475.65
  5. Step 5: Solve for x
    x = 1,419,505,475.65/42,173.40
  6. Step 6: Final answer
    x = 33,658.79

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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.