Home / 55,889.78-83,651.40-30,550.47

Finding the Fourth Proportional to 55,889.78, 83,651.40 and 30,550.47

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Solution

The fourth proportional to 55,889.78, 83,651.40 and 30,550.47 is: 45,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.78 : 83,651.40 = 30,550.47 : x
  2. Step 2: Convert to fraction form
    55,889.78/83,651.40 = 30,550.47/x
  3. Step 3: Cross multiply
    55,889.78x = 83,651.40 × 30,550.47
  4. Step 4: Simplify right side
    55,889.78x = 2,555,589,586.16
  5. Step 5: Solve for x
    x = 2,555,589,586.16/55,889.78
  6. Step 6: Final answer
    x = 45,725.53

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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.