Home / 39,656.83-54,729.30-22,660.68

Finding the Fourth Proportional to 39,656.83, 54,729.30 and 22,660.68

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Solution

The fourth proportional to 39,656.83, 54,729.30 and 22,660.68 is: 31,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.83 : 54,729.30 = 22,660.68 : x
  2. Step 2: Convert to fraction form
    39,656.83/54,729.30 = 22,660.68/x
  3. Step 3: Cross multiply
    39,656.83x = 54,729.30 × 22,660.68
  4. Step 4: Simplify right side
    39,656.83x = 1,240,203,153.92
  5. Step 5: Solve for x
    x = 1,240,203,153.92/39,656.83
  6. Step 6: Final answer
    x = 31,273.38

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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.