Home / 42,819.20-64,241.14-17,846.36

Finding the Fourth Proportional to 42,819.20, 64,241.14 and 17,846.36

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Solution

The fourth proportional to 42,819.20, 64,241.14 and 17,846.36 is: 26,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,819.20 : 64,241.14 = 17,846.36 : x
  2. Step 2: Convert to fraction form
    42,819.20/64,241.14 = 17,846.36/x
  3. Step 3: Cross multiply
    42,819.20x = 64,241.14 × 17,846.36
  4. Step 4: Simplify right side
    42,819.20x = 1,146,470,511.25
  5. Step 5: Solve for x
    x = 1,146,470,511.25/42,819.20
  6. Step 6: Final answer
    x = 26,774.68

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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.