Home / 39,768.24-54,822.42-27,794.41

Finding the Fourth Proportional to 39,768.24, 54,822.42 and 27,794.41

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Solution

The fourth proportional to 39,768.24, 54,822.42 and 27,794.41 is: 38,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.24 : 54,822.42 = 27,794.41 : x
  2. Step 2: Convert to fraction form
    39,768.24/54,822.42 = 27,794.41/x
  3. Step 3: Cross multiply
    39,768.24x = 54,822.42 × 27,794.41
  4. Step 4: Simplify right side
    39,768.24x = 1,523,756,818.67
  5. Step 5: Solve for x
    x = 1,523,756,818.67/39,768.24
  6. Step 6: Final answer
    x = 38,315.92

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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.