Home / 44,005.10-66,007.65-21,821.90

Finding the Fourth Proportional to 44,005.10, 66,007.65 and 21,821.90

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Solution

The fourth proportional to 44,005.10, 66,007.65 and 21,821.90 is: 32,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,005.10 : 66,007.65 = 21,821.90 : x
  2. Step 2: Convert to fraction form
    44,005.10/66,007.65 = 21,821.90/x
  3. Step 3: Cross multiply
    44,005.10x = 66,007.65 × 21,821.90
  4. Step 4: Simplify right side
    44,005.10x = 1,440,412,337.54
  5. Step 5: Solve for x
    x = 1,440,412,337.54/44,005.10
  6. Step 6: Final answer
    x = 32,732.85

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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.