Home / 51,516.97-77,286.55-15,977.57

Finding the Fourth Proportional to 51,516.97, 77,286.55 and 15,977.57

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Solution

The fourth proportional to 51,516.97, 77,286.55 and 15,977.57 is: 23,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.97 : 77,286.55 = 15,977.57 : x
  2. Step 2: Convert to fraction form
    51,516.97/77,286.55 = 15,977.57/x
  3. Step 3: Cross multiply
    51,516.97x = 77,286.55 × 15,977.57
  4. Step 4: Simplify right side
    51,516.97x = 1,234,851,262.68
  5. Step 5: Solve for x
    x = 1,234,851,262.68/51,516.97
  6. Step 6: Final answer
    x = 23,969.80

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1.5x scale

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.