Home / 51,460.97-71,015.67-28,799.69

Finding the Fourth Proportional to 51,460.97, 71,015.67 and 28,799.69

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Solution

The fourth proportional to 51,460.97, 71,015.67 and 28,799.69 is: 39,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460.97 : 71,015.67 = 28,799.69 : x
  2. Step 2: Convert to fraction form
    51,460.97/71,015.67 = 28,799.69/x
  3. Step 3: Cross multiply
    51,460.97x = 71,015.67 × 28,799.69
  4. Step 4: Simplify right side
    51,460.97x = 2,045,228,926.06
  5. Step 5: Solve for x
    x = 2,045,228,926.06/51,460.97
  6. Step 6: Final answer
    x = 39,743.31

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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.