Home / 29,986.56-41,374.08-18,650.88

Finding the Fourth Proportional to 29,986.56, 41,374.08 and 18,650.88

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Solution

The fourth proportional to 29,986.56, 41,374.08 and 18,650.88 is: 25,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986.56 : 41,374.08 = 18,650.88 : x
  2. Step 2: Convert to fraction form
    29,986.56/41,374.08 = 18,650.88/x
  3. Step 3: Cross multiply
    29,986.56x = 41,374.08 × 18,650.88
  4. Step 4: Simplify right side
    29,986.56x = 771,663,001.19
  5. Step 5: Solve for x
    x = 771,663,001.19/29,986.56
  6. Step 6: Final answer
    x = 25,733.63

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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.