Home / 54,910.90-82,359.01-15,471.09

Finding the Fourth Proportional to 54,910.90, 82,359.01 and 15,471.09

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Solution

The fourth proportional to 54,910.90, 82,359.01 and 15,471.09 is: 23,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.90 : 82,359.01 = 15,471.09 : x
  2. Step 2: Convert to fraction form
    54,910.90/82,359.01 = 15,471.09/x
  3. Step 3: Cross multiply
    54,910.90x = 82,359.01 × 15,471.09
  4. Step 4: Simplify right side
    54,910.90x = 1,274,183,656.02
  5. Step 5: Solve for x
    x = 1,274,183,656.02/54,910.90
  6. Step 6: Final answer
    x = 23,204.57

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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.