Home / 31,039.28-42,758.94-23,067.68

Finding the Fourth Proportional to 31,039.28, 42,758.94 and 23,067.68

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Solution

The fourth proportional to 31,039.28, 42,758.94 and 23,067.68 is: 31,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039.28 : 42,758.94 = 23,067.68 : x
  2. Step 2: Convert to fraction form
    31,039.28/42,758.94 = 23,067.68/x
  3. Step 3: Cross multiply
    31,039.28x = 42,758.94 × 23,067.68
  4. Step 4: Simplify right side
    31,039.28x = 986,349,545.06
  5. Step 5: Solve for x
    x = 986,349,545.06/31,039.28
  6. Step 6: Final answer
    x = 31,777.46

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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.