Home / 51,147.56-70,566.72-29,911.80

Finding the Fourth Proportional to 51,147.56, 70,566.72 and 29,911.80

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Solution

The fourth proportional to 51,147.56, 70,566.72 and 29,911.80 is: 41,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.56 : 70,566.72 = 29,911.80 : x
  2. Step 2: Convert to fraction form
    51,147.56/70,566.72 = 29,911.80/x
  3. Step 3: Cross multiply
    51,147.56x = 70,566.72 × 29,911.80
  4. Step 4: Simplify right side
    51,147.56x = 2,110,777,615.30
  5. Step 5: Solve for x
    x = 2,110,777,615.30/51,147.56
  6. Step 6: Final answer
    x = 41,268.39

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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.