Home / 51,299.68-76,949.18-13,863.48

Finding the Fourth Proportional to 51,299.68, 76,949.18 and 13,863.48

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Solution

The fourth proportional to 51,299.68, 76,949.18 and 13,863.48 is: 20,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,299.68 : 76,949.18 = 13,863.48 : x
  2. Step 2: Convert to fraction form
    51,299.68/76,949.18 = 13,863.48/x
  3. Step 3: Cross multiply
    51,299.68x = 76,949.18 × 13,863.48
  4. Step 4: Simplify right side
    51,299.68x = 1,066,783,417.95
  5. Step 5: Solve for x
    x = 1,066,783,417.95/51,299.68
  6. Step 6: Final answer
    x = 20,795.13

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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.