Home / 44,313.40-66,489.30-20,927.80

Finding the Fourth Proportional to 44,313.40, 66,489.30 and 20,927.80

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Solution

The fourth proportional to 44,313.40, 66,489.30 and 20,927.80 is: 31,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,313.40 : 66,489.30 = 20,927.80 : x
  2. Step 2: Convert to fraction form
    44,313.40/66,489.30 = 20,927.80/x
  3. Step 3: Cross multiply
    44,313.40x = 66,489.30 × 20,927.80
  4. Step 4: Simplify right side
    44,313.40x = 1,391,474,772.54
  5. Step 5: Solve for x
    x = 1,391,474,772.54/44,313.40
  6. Step 6: Final answer
    x = 31,400.77

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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.