Home / 51,399.80-77,098.94-13,960.69

Finding the Fourth Proportional to 51,399.80, 77,098.94 and 13,960.69

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Solution

The fourth proportional to 51,399.80, 77,098.94 and 13,960.69 is: 20,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,399.80 : 77,098.94 = 13,960.69 : x
  2. Step 2: Convert to fraction form
    51,399.80/77,098.94 = 13,960.69/x
  3. Step 3: Cross multiply
    51,399.80x = 77,098.94 × 13,960.69
  4. Step 4: Simplify right side
    51,399.80x = 1,076,354,190.47
  5. Step 5: Solve for x
    x = 1,076,354,190.47/51,399.80
  6. Step 6: Final answer
    x = 20,940.82

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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.