Home / 56,016.31-84,006.18-20,469.46

Finding the Fourth Proportional to 56,016.31, 84,006.18 and 20,469.46

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Solution

The fourth proportional to 56,016.31, 84,006.18 and 20,469.46 is: 30,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,016.31 : 84,006.18 = 20,469.46 : x
  2. Step 2: Convert to fraction form
    56,016.31/84,006.18 = 20,469.46/x
  3. Step 3: Cross multiply
    56,016.31x = 84,006.18 × 20,469.46
  4. Step 4: Simplify right side
    56,016.31x = 1,719,561,141.26
  5. Step 5: Solve for x
    x = 1,719,561,141.26/56,016.31
  6. Step 6: Final answer
    x = 30,697.51

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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.