Home / 51,516.69-77,286.14-15,977.30

Finding the Fourth Proportional to 51,516.69, 77,286.14 and 15,977.30

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Solution

The fourth proportional to 51,516.69, 77,286.14 and 15,977.30 is: 23,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.69 : 77,286.14 = 15,977.30 : x
  2. Step 2: Convert to fraction form
    51,516.69/77,286.14 = 15,977.30/x
  3. Step 3: Cross multiply
    51,516.69x = 77,286.14 × 15,977.30
  4. Step 4: Simplify right side
    51,516.69x = 1,234,823,844.62
  5. Step 5: Solve for x
    x = 1,234,823,844.62/51,516.69
  6. Step 6: Final answer
    x = 23,969.39

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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.