Home / 55,276.87-76,282.33-31,404.85

Finding the Fourth Proportional to 55,276.87, 76,282.33 and 31,404.85

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Solution

The fourth proportional to 55,276.87, 76,282.33 and 31,404.85 is: 43,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.87 : 76,282.33 = 31,404.85 : x
  2. Step 2: Convert to fraction form
    55,276.87/76,282.33 = 31,404.85/x
  3. Step 3: Cross multiply
    55,276.87x = 76,282.33 × 31,404.85
  4. Step 4: Simplify right side
    55,276.87x = 2,395,635,131.30
  5. Step 5: Solve for x
    x = 2,395,635,131.30/55,276.87
  6. Step 6: Final answer
    x = 43,338.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.