Home / 42,162.21-63,224.77-22,436.08

Finding the Fourth Proportional to 42,162.21, 63,224.77 and 22,436.08

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Solution

The fourth proportional to 42,162.21, 63,224.77 and 22,436.08 is: 33,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,162.21 : 63,224.77 = 22,436.08 : x
  2. Step 2: Convert to fraction form
    42,162.21/63,224.77 = 22,436.08/x
  3. Step 3: Cross multiply
    42,162.21x = 63,224.77 × 22,436.08
  4. Step 4: Simplify right side
    42,162.21x = 1,418,515,997.70
  5. Step 5: Solve for x
    x = 1,418,515,997.70/42,162.21
  6. Step 6: Final answer
    x = 33,644.25

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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.