Home / 51,474.80-77,218.45-18,188.06

Finding the Fourth Proportional to 51,474.80, 77,218.45 and 18,188.06

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Solution

The fourth proportional to 51,474.80, 77,218.45 and 18,188.06 is: 27,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,474.80 : 77,218.45 = 18,188.06 : x
  2. Step 2: Convert to fraction form
    51,474.80/77,218.45 = 18,188.06/x
  3. Step 3: Cross multiply
    51,474.80x = 77,218.45 × 18,188.06
  4. Step 4: Simplify right side
    51,474.80x = 1,404,453,370.14
  5. Step 5: Solve for x
    x = 1,404,453,370.14/51,474.80
  6. Step 6: Final answer
    x = 27,284.29

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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.