Home / 50,371.21-69,512.40-27,712.51

Finding the Fourth Proportional to 50,371.21, 69,512.40 and 27,712.51

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Solution

The fourth proportional to 50,371.21, 69,512.40 and 27,712.51 is: 38,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,371.21 : 69,512.40 = 27,712.51 : x
  2. Step 2: Convert to fraction form
    50,371.21/69,512.40 = 27,712.51/x
  3. Step 3: Cross multiply
    50,371.21x = 69,512.40 × 27,712.51
  4. Step 4: Simplify right side
    50,371.21x = 1,926,363,080.12
  5. Step 5: Solve for x
    x = 1,926,363,080.12/50,371.21
  6. Step 6: Final answer
    x = 38,243.34

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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.