Home / 39,651.13-54,718.44-22,660.64

Finding the Fourth Proportional to 39,651.13, 54,718.44 and 22,660.64

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Solution

The fourth proportional to 39,651.13, 54,718.44 and 22,660.64 is: 31,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,651.13 : 54,718.44 = 22,660.64 : x
  2. Step 2: Convert to fraction form
    39,651.13/54,718.44 = 22,660.64/x
  3. Step 3: Cross multiply
    39,651.13x = 54,718.44 × 22,660.64
  4. Step 4: Simplify right side
    39,651.13x = 1,239,954,926.85
  5. Step 5: Solve for x
    x = 1,239,954,926.85/39,651.13
  6. Step 6: Final answer
    x = 31,271.62

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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.