Home / 51,504.96-71,074.08-29,991.36

Finding the Fourth Proportional to 51,504.96, 71,074.08 and 29,991.36

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Solution

The fourth proportional to 51,504.96, 71,074.08 and 29,991.36 is: 41,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,504.96 : 71,074.08 = 29,991.36 : x
  2. Step 2: Convert to fraction form
    51,504.96/71,074.08 = 29,991.36/x
  3. Step 3: Cross multiply
    51,504.96x = 71,074.08 × 29,991.36
  4. Step 4: Simplify right side
    51,504.96x = 2,131,608,319.95
  5. Step 5: Solve for x
    x = 2,131,608,319.95/51,504.96
  6. Step 6: Final answer
    x = 41,386.47

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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.