Home / 42,157.72-63,245.70-22,433.38

Finding the Fourth Proportional to 42,157.72, 63,245.70 and 22,433.38

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Solution

The fourth proportional to 42,157.72, 63,245.70 and 22,433.38 is: 33,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.72 : 63,245.70 = 22,433.38 : x
  2. Step 2: Convert to fraction form
    42,157.72/63,245.70 = 22,433.38/x
  3. Step 3: Cross multiply
    42,157.72x = 63,245.70 × 22,433.38
  4. Step 4: Simplify right side
    42,157.72x = 1,418,814,821.47
  5. Step 5: Solve for x
    x = 1,418,814,821.47/42,157.72
  6. Step 6: Final answer
    x = 33,654.92

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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.