Home / 42,996.60-64,474.11-18,029.94

Finding the Fourth Proportional to 42,996.60, 64,474.11 and 18,029.94

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Solution

The fourth proportional to 42,996.60, 64,474.11 and 18,029.94 is: 27,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.60 : 64,474.11 = 18,029.94 : x
  2. Step 2: Convert to fraction form
    42,996.60/64,474.11 = 18,029.94/x
  3. Step 3: Cross multiply
    42,996.60x = 64,474.11 × 18,029.94
  4. Step 4: Simplify right side
    42,996.60x = 1,162,464,334.85
  5. Step 5: Solve for x
    x = 1,162,464,334.85/42,996.60
  6. Step 6: Final answer
    x = 27,036.19

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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.