Home / 56,223.46-84,356.52-16,780.78

Finding the Fourth Proportional to 56,223.46, 84,356.52 and 16,780.78

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Solution

The fourth proportional to 56,223.46, 84,356.52 and 16,780.78 is: 25,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,223.46 : 84,356.52 = 16,780.78 : x
  2. Step 2: Convert to fraction form
    56,223.46/84,356.52 = 16,780.78/x
  3. Step 3: Cross multiply
    56,223.46x = 84,356.52 × 16,780.78
  4. Step 4: Simplify right side
    56,223.46x = 1,415,568,203.69
  5. Step 5: Solve for x
    x = 1,415,568,203.69/56,223.46
  6. Step 6: Final answer
    x = 25,177.54

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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.