Home / 43,818.28-65,713.50-14,229.28

Finding the Fourth Proportional to 43,818.28, 65,713.50 and 14,229.28

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Solution

The fourth proportional to 43,818.28, 65,713.50 and 14,229.28 is: 21,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.28 : 65,713.50 = 14,229.28 : x
  2. Step 2: Convert to fraction form
    43,818.28/65,713.50 = 14,229.28/x
  3. Step 3: Cross multiply
    43,818.28x = 65,713.50 × 14,229.28
  4. Step 4: Simplify right side
    43,818.28x = 935,055,791.28
  5. Step 5: Solve for x
    x = 935,055,791.28/43,818.28
  6. Step 6: Final answer
    x = 21,339.40

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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.