Home / 55,216.82-76,199.58-31,343.90

Finding the Fourth Proportional to 55,216.82, 76,199.58 and 31,343.90

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Solution

The fourth proportional to 55,216.82, 76,199.58 and 31,343.90 is: 43,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.82 : 76,199.58 = 31,343.90 : x
  2. Step 2: Convert to fraction form
    55,216.82/76,199.58 = 31,343.90/x
  3. Step 3: Cross multiply
    55,216.82x = 76,199.58 × 31,343.90
  4. Step 4: Simplify right side
    55,216.82x = 2,388,391,634.56
  5. Step 5: Solve for x
    x = 2,388,391,634.56/55,216.82
  6. Step 6: Final answer
    x = 43,254.79

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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.