Home / 54,608.12-81,912.20-15,165.23

Finding the Fourth Proportional to 54,608.12, 81,912.20 and 15,165.23

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Solution

The fourth proportional to 54,608.12, 81,912.20 and 15,165.23 is: 22,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.12 : 81,912.20 = 15,165.23 : x
  2. Step 2: Convert to fraction form
    54,608.12/81,912.20 = 15,165.23/x
  3. Step 3: Cross multiply
    54,608.12x = 81,912.20 × 15,165.23
  4. Step 4: Simplify right side
    54,608.12x = 1,242,217,595.50
  5. Step 5: Solve for x
    x = 1,242,217,595.50/54,608.12
  6. Step 6: Final answer
    x = 22,747.86

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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.