Home / 43,811.64-65,727.84-14,229.48

Finding the Fourth Proportional to 43,811.64, 65,727.84 and 14,229.48

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Solution

The fourth proportional to 43,811.64, 65,727.84 and 14,229.48 is: 21,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,811.64 : 65,727.84 = 14,229.48 : x
  2. Step 2: Convert to fraction form
    43,811.64/65,727.84 = 14,229.48/x
  3. Step 3: Cross multiply
    43,811.64x = 65,727.84 × 14,229.48
  4. Step 4: Simplify right side
    43,811.64x = 935,272,984.72
  5. Step 5: Solve for x
    x = 935,272,984.72/43,811.64
  6. Step 6: Final answer
    x = 21,347.59

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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.