Home / 55,777.23-76,950.68-31,891.09

Finding the Fourth Proportional to 55,777.23, 76,950.68 and 31,891.09

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Solution

The fourth proportional to 55,777.23, 76,950.68 and 31,891.09 is: 43,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.23 : 76,950.68 = 31,891.09 : x
  2. Step 2: Convert to fraction form
    55,777.23/76,950.68 = 31,891.09/x
  3. Step 3: Cross multiply
    55,777.23x = 76,950.68 × 31,891.09
  4. Step 4: Simplify right side
    55,777.23x = 2,454,041,061.44
  5. Step 5: Solve for x
    x = 2,454,041,061.44/55,777.23
  6. Step 6: Final answer
    x = 43,997.18

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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.