Home / 51,348.04-77,021.82-13,908.04

Finding the Fourth Proportional to 51,348.04, 77,021.82 and 13,908.04

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Solution

The fourth proportional to 51,348.04, 77,021.82 and 13,908.04 is: 20,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.04 : 77,021.82 = 13,908.04 : x
  2. Step 2: Convert to fraction form
    51,348.04/77,021.82 = 13,908.04/x
  3. Step 3: Cross multiply
    51,348.04x = 77,021.82 × 13,908.04
  4. Step 4: Simplify right side
    51,348.04x = 1,071,222,553.43
  5. Step 5: Solve for x
    x = 1,071,222,553.43/51,348.04
  6. Step 6: Final answer
    x = 20,861.99

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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.