Home / 51,879.64-77,803.26-16,812.04

Finding the Fourth Proportional to 51,879.64, 77,803.26 and 16,812.04

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Solution

The fourth proportional to 51,879.64, 77,803.26 and 16,812.04 is: 25,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,879.64 : 77,803.26 = 16,812.04 : x
  2. Step 2: Convert to fraction form
    51,879.64/77,803.26 = 16,812.04/x
  3. Step 3: Cross multiply
    51,879.64x = 77,803.26 × 16,812.04
  4. Step 4: Simplify right side
    51,879.64x = 1,308,031,519.25
  5. Step 5: Solve for x
    x = 1,308,031,519.25/51,879.64
  6. Step 6: Final answer
    x = 25,212.81

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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.