Home / 51,697.26-71,340.42-31,587.80

Finding the Fourth Proportional to 51,697.26, 71,340.42 and 31,587.80

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Solution

The fourth proportional to 51,697.26, 71,340.42 and 31,587.80 is: 43,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,697.26 : 71,340.42 = 31,587.80 : x
  2. Step 2: Convert to fraction form
    51,697.26/71,340.42 = 31,587.80/x
  3. Step 3: Cross multiply
    51,697.26x = 71,340.42 × 31,587.80
  4. Step 4: Simplify right side
    51,697.26x = 2,253,486,918.88
  5. Step 5: Solve for x
    x = 2,253,486,918.88/51,697.26
  6. Step 6: Final answer
    x = 43,590.06

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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.