Home / 41,991.03-63,008.42-18,612

Finding the Fourth Proportional to 41,991.03, 63,008.42 and 18,612

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Solution

The fourth proportional to 41,991.03, 63,008.42 and 18,612 is: 27,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,991.03 : 63,008.42 = 18,612 : x
  2. Step 2: Convert to fraction form
    41,991.03/63,008.42 = 18,612/x
  3. Step 3: Cross multiply
    41,991.03x = 63,008.42 × 18,612
  4. Step 4: Simplify right side
    41,991.03x = 1,172,712,619.98
  5. Step 5: Solve for x
    x = 1,172,712,619.98/41,991.03
  6. Step 6: Final answer
    x = 27,927.69

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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.