Home / 42,996.22-64,481.87-14,915.14

Finding the Fourth Proportional to 42,996.22, 64,481.87 and 14,915.14

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Solution

The fourth proportional to 42,996.22, 64,481.87 and 14,915.14 is: 22,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.22 : 64,481.87 = 14,915.14 : x
  2. Step 2: Convert to fraction form
    42,996.22/64,481.87 = 14,915.14/x
  3. Step 3: Cross multiply
    42,996.22x = 64,481.87 × 14,915.14
  4. Step 4: Simplify right side
    42,996.22x = 961,755,994.59
  5. Step 5: Solve for x
    x = 961,755,994.59/42,996.22
  6. Step 6: Final answer
    x = 22,368.39

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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.