Home / 43,364.56-65,057.13-13,782.41

Finding the Fourth Proportional to 43,364.56, 65,057.13 and 13,782.41

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Solution

The fourth proportional to 43,364.56, 65,057.13 and 13,782.41 is: 20,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,364.56 : 65,057.13 = 13,782.41 : x
  2. Step 2: Convert to fraction form
    43,364.56/65,057.13 = 13,782.41/x
  3. Step 3: Cross multiply
    43,364.56x = 65,057.13 × 13,782.41
  4. Step 4: Simplify right side
    43,364.56x = 896,644,201.73
  5. Step 5: Solve for x
    x = 896,644,201.73/43,364.56
  6. Step 6: Final answer
    x = 20,676.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.