Home / 39,310.94-54,250.86-23,178.92

Finding the Fourth Proportional to 39,310.94, 54,250.86 and 23,178.92

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Solution

The fourth proportional to 39,310.94, 54,250.86 and 23,178.92 is: 31,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.94 : 54,250.86 = 23,178.92 : x
  2. Step 2: Convert to fraction form
    39,310.94/54,250.86 = 23,178.92/x
  3. Step 3: Cross multiply
    39,310.94x = 54,250.86 × 23,178.92
  4. Step 4: Simplify right side
    39,310.94x = 1,257,476,343.87
  5. Step 5: Solve for x
    x = 1,257,476,343.87/39,310.94
  6. Step 6: Final answer
    x = 31,987.95

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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.