Home / 39,904.52-55,086.90-23,134.28

Finding the Fourth Proportional to 39,904.52, 55,086.90 and 23,134.28

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Solution

The fourth proportional to 39,904.52, 55,086.90 and 23,134.28 is: 31,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.52 : 55,086.90 = 23,134.28 : x
  2. Step 2: Convert to fraction form
    39,904.52/55,086.90 = 23,134.28/x
  3. Step 3: Cross multiply
    39,904.52x = 55,086.90 × 23,134.28
  4. Step 4: Simplify right side
    39,904.52x = 1,274,395,768.93
  5. Step 5: Solve for x
    x = 1,274,395,768.93/39,904.52
  6. Step 6: Final answer
    x = 31,936.13

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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.