Home / 35,110.50-48,452.49-20,215.14

Finding the Fourth Proportional to 35,110.50, 48,452.49 and 20,215.14

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Solution

The fourth proportional to 35,110.50, 48,452.49 and 20,215.14 is: 27,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,110.50 : 48,452.49 = 20,215.14 : x
  2. Step 2: Convert to fraction form
    35,110.50/48,452.49 = 20,215.14/x
  3. Step 3: Cross multiply
    35,110.50x = 48,452.49 × 20,215.14
  4. Step 4: Simplify right side
    35,110.50x = 979,473,868.70
  5. Step 5: Solve for x
    x = 979,473,868.70/35,110.50
  6. Step 6: Final answer
    x = 27,896.89

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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.