Home / 51,806.88-71,489.39-29,141.36

Finding the Fourth Proportional to 51,806.88, 71,489.39 and 29,141.36

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Solution

The fourth proportional to 51,806.88, 71,489.39 and 29,141.36 is: 40,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.88 : 71,489.39 = 29,141.36 : x
  2. Step 2: Convert to fraction form
    51,806.88/71,489.39 = 29,141.36/x
  3. Step 3: Cross multiply
    51,806.88x = 71,489.39 × 29,141.36
  4. Step 4: Simplify right side
    51,806.88x = 2,083,297,547.02
  5. Step 5: Solve for x
    x = 2,083,297,547.02/51,806.88
  6. Step 6: Final answer
    x = 40,212.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.