Home / 51,146.51-76,719.96-17,866.44

Finding the Fourth Proportional to 51,146.51, 76,719.96 and 17,866.44

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Solution

The fourth proportional to 51,146.51, 76,719.96 and 17,866.44 is: 26,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,146.51 : 76,719.96 = 17,866.44 : x
  2. Step 2: Convert to fraction form
    51,146.51/76,719.96 = 17,866.44/x
  3. Step 3: Cross multiply
    51,146.51x = 76,719.96 × 17,866.44
  4. Step 4: Simplify right side
    51,146.51x = 1,370,712,562.14
  5. Step 5: Solve for x
    x = 1,370,712,562.14/51,146.51
  6. Step 6: Final answer
    x = 26,799.73

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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.