Home / 35,391.11-48,841.75-20,286.29

Finding the Fourth Proportional to 35,391.11, 48,841.75 and 20,286.29

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Solution

The fourth proportional to 35,391.11, 48,841.75 and 20,286.29 is: 27,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.11 : 48,841.75 = 20,286.29 : x
  2. Step 2: Convert to fraction form
    35,391.11/48,841.75 = 20,286.29/x
  3. Step 3: Cross multiply
    35,391.11x = 48,841.75 × 20,286.29
  4. Step 4: Simplify right side
    35,391.11x = 990,817,660.40
  5. Step 5: Solve for x
    x = 990,817,660.40/35,391.11
  6. Step 6: Final answer
    x = 27,996.23

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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.