Home / 54,542.11-81,813.18-17,105.11

Finding the Fourth Proportional to 54,542.11, 81,813.18 and 17,105.11

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Solution

The fourth proportional to 54,542.11, 81,813.18 and 17,105.11 is: 25,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.11 : 81,813.18 = 17,105.11 : x
  2. Step 2: Convert to fraction form
    54,542.11/81,813.18 = 17,105.11/x
  3. Step 3: Cross multiply
    54,542.11x = 81,813.18 × 17,105.11
  4. Step 4: Simplify right side
    54,542.11x = 1,399,423,443.35
  5. Step 5: Solve for x
    x = 1,399,423,443.35/54,542.11
  6. Step 6: Final answer
    x = 25,657.67

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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.