Home / 42,187.66-63,396.44-22,480.30

Finding the Fourth Proportional to 42,187.66, 63,396.44 and 22,480.30

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Solution

The fourth proportional to 42,187.66, 63,396.44 and 22,480.30 is: 33,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.66 : 63,396.44 = 22,480.30 : x
  2. Step 2: Convert to fraction form
    42,187.66/63,396.44 = 22,480.30/x
  3. Step 3: Cross multiply
    42,187.66x = 63,396.44 × 22,480.30
  4. Step 4: Simplify right side
    42,187.66x = 1,425,170,729.35
  5. Step 5: Solve for x
    x = 1,425,170,729.35/42,187.66
  6. Step 6: Final answer
    x = 33,781.70

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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.