Home / 49,331.73-73,997.15-21,271.61

Finding the Fourth Proportional to 49,331.73, 73,997.15 and 21,271.61

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Solution

The fourth proportional to 49,331.73, 73,997.15 and 21,271.61 is: 31,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,331.73 : 73,997.15 = 21,271.61 : x
  2. Step 2: Convert to fraction form
    49,331.73/73,997.15 = 21,271.61/x
  3. Step 3: Cross multiply
    49,331.73x = 73,997.15 × 21,271.61
  4. Step 4: Simplify right side
    49,331.73x = 1,574,038,594.55
  5. Step 5: Solve for x
    x = 1,574,038,594.55/49,331.73
  6. Step 6: Final answer
    x = 31,907.22

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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.