Home / 51,309.38-77,080.86-37,121.64

Finding the Fourth Proportional to 51,309.38, 77,080.86 and 37,121.64

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Solution

The fourth proportional to 51,309.38, 77,080.86 and 37,121.64 is: 55,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,309.38 : 77,080.86 = 37,121.64 : x
  2. Step 2: Convert to fraction form
    51,309.38/77,080.86 = 37,121.64/x
  3. Step 3: Cross multiply
    51,309.38x = 77,080.86 × 37,121.64
  4. Step 4: Simplify right side
    51,309.38x = 2,861,367,935.81
  5. Step 5: Solve for x
    x = 2,861,367,935.81/51,309.38
  6. Step 6: Final answer
    x = 55,766.96

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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.