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Finding the Fourth Proportional to 44,425.50, 66,671.02 and 21,051.96

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Solution

The fourth proportional to 44,425.50, 66,671.02 and 21,051.96 is: 31,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,425.50 : 66,671.02 = 21,051.96 : x
  2. Step 2: Convert to fraction form
    44,425.50/66,671.02 = 21,051.96/x
  3. Step 3: Cross multiply
    44,425.50x = 66,671.02 × 21,051.96
  4. Step 4: Simplify right side
    44,425.50x = 1,403,555,646.20
  5. Step 5: Solve for x
    x = 1,403,555,646.20/44,425.50
  6. Step 6: Final answer
    x = 31,593.47

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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.