Home / 22,115.10-33,151.05-19,782.30

Finding the Fourth Proportional to 22,115.10, 33,151.05 and 19,782.30

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Solution

The fourth proportional to 22,115.10, 33,151.05 and 19,782.30 is: 29,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.10 : 33,151.05 = 19,782.30 : x
  2. Step 2: Convert to fraction form
    22,115.10/33,151.05 = 19,782.30/x
  3. Step 3: Cross multiply
    22,115.10x = 33,151.05 × 19,782.30
  4. Step 4: Simplify right side
    22,115.10x = 655,804,016.42
  5. Step 5: Solve for x
    x = 655,804,016.42/22,115.10
  6. Step 6: Final answer
    x = 29,654.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.