Home / 51,206.08-76,843.96-31,424.26

Finding the Fourth Proportional to 51,206.08, 76,843.96 and 31,424.26

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Solution

The fourth proportional to 51,206.08, 76,843.96 and 31,424.26 is: 47,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.08 : 76,843.96 = 31,424.26 : x
  2. Step 2: Convert to fraction form
    51,206.08/76,843.96 = 31,424.26/x
  3. Step 3: Cross multiply
    51,206.08x = 76,843.96 × 31,424.26
  4. Step 4: Simplify right side
    51,206.08x = 2,414,764,578.47
  5. Step 5: Solve for x
    x = 2,414,764,578.47/51,206.08
  6. Step 6: Final answer
    x = 47,157.77

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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.