Home / 51,397.88-77,102.96-18,111.06

Finding the Fourth Proportional to 51,397.88, 77,102.96 and 18,111.06

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Solution

The fourth proportional to 51,397.88, 77,102.96 and 18,111.06 is: 27,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,397.88 : 77,102.96 = 18,111.06 : x
  2. Step 2: Convert to fraction form
    51,397.88/77,102.96 = 18,111.06/x
  3. Step 3: Cross multiply
    51,397.88x = 77,102.96 × 18,111.06
  4. Step 4: Simplify right side
    51,397.88x = 1,396,416,244.18
  5. Step 5: Solve for x
    x = 1,396,416,244.18/51,397.88
  6. Step 6: Final answer
    x = 27,168.75

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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.