Home / 51,991.57-71,748.38-29,335.36

Finding the Fourth Proportional to 51,991.57, 71,748.38 and 29,335.36

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Solution

The fourth proportional to 51,991.57, 71,748.38 and 29,335.36 is: 40,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991.57 : 71,748.38 = 29,335.36 : x
  2. Step 2: Convert to fraction form
    51,991.57/71,748.38 = 29,335.36/x
  3. Step 3: Cross multiply
    51,991.57x = 71,748.38 × 29,335.36
  4. Step 4: Simplify right side
    51,991.57x = 2,104,764,441.95
  5. Step 5: Solve for x
    x = 2,104,764,441.95/51,991.57
  6. Step 6: Final answer
    x = 40,482.80

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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.