Home / 35,713.91-49,278.25-21,175.41

Finding the Fourth Proportional to 35,713.91, 49,278.25 and 21,175.41

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Solution

The fourth proportional to 35,713.91, 49,278.25 and 21,175.41 is: 29,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,713.91 : 49,278.25 = 21,175.41 : x
  2. Step 2: Convert to fraction form
    35,713.91/49,278.25 = 21,175.41/x
  3. Step 3: Cross multiply
    35,713.91x = 49,278.25 × 21,175.41
  4. Step 4: Simplify right side
    35,713.91x = 1,043,486,989.51
  5. Step 5: Solve for x
    x = 1,043,486,989.51/35,713.91
  6. Step 6: Final answer
    x = 29,217.94

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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.