Home / 39,391.24-59,108.94-20,922.76

Finding the Fourth Proportional to 39,391.24, 59,108.94 and 20,922.76

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Solution

The fourth proportional to 39,391.24, 59,108.94 and 20,922.76 is: 31,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.24 : 59,108.94 = 20,922.76 : x
  2. Step 2: Convert to fraction form
    39,391.24/59,108.94 = 20,922.76/x
  3. Step 3: Cross multiply
    39,391.24x = 59,108.94 × 20,922.76
  4. Step 4: Simplify right side
    39,391.24x = 1,236,722,165.47
  5. Step 5: Solve for x
    x = 1,236,722,165.47/39,391.24
  6. Step 6: Final answer
    x = 31,395.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.