Home / 51,474.30-77,217.70-18,187.56

Finding the Fourth Proportional to 51,474.30, 77,217.70 and 18,187.56

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Solution

The fourth proportional to 51,474.30, 77,217.70 and 18,187.56 is: 27,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,474.30 : 77,217.70 = 18,187.56 : x
  2. Step 2: Convert to fraction form
    51,474.30/77,217.70 = 18,187.56/x
  3. Step 3: Cross multiply
    51,474.30x = 77,217.70 × 18,187.56
  4. Step 4: Simplify right side
    51,474.30x = 1,404,401,551.81
  5. Step 5: Solve for x
    x = 1,404,401,551.81/51,474.30
  6. Step 6: Final answer
    x = 27,283.55

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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.