Home / 54,131.59-81,174.16-18,596.49

Finding the Fourth Proportional to 54,131.59, 81,174.16 and 18,596.49

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Solution

The fourth proportional to 54,131.59, 81,174.16 and 18,596.49 is: 27,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.59 : 81,174.16 = 18,596.49 : x
  2. Step 2: Convert to fraction form
    54,131.59/81,174.16 = 18,596.49/x
  3. Step 3: Cross multiply
    54,131.59x = 81,174.16 × 18,596.49
  4. Step 4: Simplify right side
    54,131.59x = 1,509,554,454.70
  5. Step 5: Solve for x
    x = 1,509,554,454.70/54,131.59
  6. Step 6: Final answer
    x = 27,886.76

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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.