Home / 51,806.80-71,489.29-29,141.28

Finding the Fourth Proportional to 51,806.80, 71,489.29 and 29,141.28

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Solution

The fourth proportional to 51,806.80, 71,489.29 and 29,141.28 is: 40,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.80 : 71,489.29 = 29,141.28 : x
  2. Step 2: Convert to fraction form
    51,806.80/71,489.29 = 29,141.28/x
  3. Step 3: Cross multiply
    51,806.80x = 71,489.29 × 29,141.28
  4. Step 4: Simplify right side
    51,806.80x = 2,083,289,416.89
  5. Step 5: Solve for x
    x = 2,083,289,416.89/51,806.80
  6. Step 6: Final answer
    x = 40,212.66

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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.