Home / 48,020.90-72,068.11-21,744.09

Finding the Fourth Proportional to 48,020.90, 72,068.11 and 21,744.09

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Solution

The fourth proportional to 48,020.90, 72,068.11 and 21,744.09 is: 32,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,020.90 : 72,068.11 = 21,744.09 : x
  2. Step 2: Convert to fraction form
    48,020.90/72,068.11 = 21,744.09/x
  3. Step 3: Cross multiply
    48,020.90x = 72,068.11 × 21,744.09
  4. Step 4: Simplify right side
    48,020.90x = 1,567,055,415.61
  5. Step 5: Solve for x
    x = 1,567,055,415.61/48,020.90
  6. Step 6: Final answer
    x = 32,632.78

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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.