Home / 51,619.15-71,239.82-28,964.26

Finding the Fourth Proportional to 51,619.15, 71,239.82 and 28,964.26

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Solution

The fourth proportional to 51,619.15, 71,239.82 and 28,964.26 is: 39,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.15 : 71,239.82 = 28,964.26 : x
  2. Step 2: Convert to fraction form
    51,619.15/71,239.82 = 28,964.26/x
  3. Step 3: Cross multiply
    51,619.15x = 71,239.82 × 28,964.26
  4. Step 4: Simplify right side
    51,619.15x = 2,063,408,668.83
  5. Step 5: Solve for x
    x = 2,063,408,668.83/51,619.15
  6. Step 6: Final answer
    x = 39,973.70

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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.