Home / 48,425.82-72,666.45-18,839.85

Finding the Fourth Proportional to 48,425.82, 72,666.45 and 18,839.85

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Solution

The fourth proportional to 48,425.82, 72,666.45 and 18,839.85 is: 28,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,425.82 : 72,666.45 = 18,839.85 : x
  2. Step 2: Convert to fraction form
    48,425.82/72,666.45 = 18,839.85/x
  3. Step 3: Cross multiply
    48,425.82x = 72,666.45 × 18,839.85
  4. Step 4: Simplify right side
    48,425.82x = 1,369,025,018.03
  5. Step 5: Solve for x
    x = 1,369,025,018.03/48,425.82
  6. Step 6: Final answer
    x = 28,270.56

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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.