Home / 51,516.72-77,286.17-15,977.32

Finding the Fourth Proportional to 51,516.72, 77,286.17 and 15,977.32

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Solution

The fourth proportional to 51,516.72, 77,286.17 and 15,977.32 is: 23,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.72 : 77,286.17 = 15,977.32 : x
  2. Step 2: Convert to fraction form
    51,516.72/77,286.17 = 15,977.32/x
  3. Step 3: Cross multiply
    51,516.72x = 77,286.17 × 15,977.32
  4. Step 4: Simplify right side
    51,516.72x = 1,234,825,869.66
  5. Step 5: Solve for x
    x = 1,234,825,869.66/51,516.72
  6. Step 6: Final answer
    x = 23,969.42

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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.