Home / 42,555.44-63,822.92-18,849.89

Finding the Fourth Proportional to 42,555.44, 63,822.92 and 18,849.89

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Solution

The fourth proportional to 42,555.44, 63,822.92 and 18,849.89 is: 28,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.44 : 63,822.92 = 18,849.89 : x
  2. Step 2: Convert to fraction form
    42,555.44/63,822.92 = 18,849.89/x
  3. Step 3: Cross multiply
    42,555.44x = 63,822.92 × 18,849.89
  4. Step 4: Simplify right side
    42,555.44x = 1,203,055,086.79
  5. Step 5: Solve for x
    x = 1,203,055,086.79/42,555.44
  6. Step 6: Final answer
    x = 28,270.30

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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.