Home / 39,628.62-54,686.04-23,712.12

Finding the Fourth Proportional to 39,628.62, 54,686.04 and 23,712.12

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Solution

The fourth proportional to 39,628.62, 54,686.04 and 23,712.12 is: 32,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,628.62 : 54,686.04 = 23,712.12 : x
  2. Step 2: Convert to fraction form
    39,628.62/54,686.04 = 23,712.12/x
  3. Step 3: Cross multiply
    39,628.62x = 54,686.04 × 23,712.12
  4. Step 4: Simplify right side
    39,628.62x = 1,296,721,942.80
  5. Step 5: Solve for x
    x = 1,296,721,942.80/39,628.62
  6. Step 6: Final answer
    x = 32,721.85

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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.