Home / 44,546.48-66,813.96-21,187.76

Finding the Fourth Proportional to 44,546.48, 66,813.96 and 21,187.76

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Solution

The fourth proportional to 44,546.48, 66,813.96 and 21,187.76 is: 31,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,546.48 : 66,813.96 = 21,187.76 : x
  2. Step 2: Convert to fraction form
    44,546.48/66,813.96 = 21,187.76/x
  3. Step 3: Cross multiply
    44,546.48x = 66,813.96 × 21,187.76
  4. Step 4: Simplify right side
    44,546.48x = 1,415,638,149.13
  5. Step 5: Solve for x
    x = 1,415,638,149.13/44,546.48
  6. Step 6: Final answer
    x = 31,778.90

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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.