Home / 43,689.36-65,533.52-12,524.48

Finding the Fourth Proportional to 43,689.36, 65,533.52 and 12,524.48

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Solution

The fourth proportional to 43,689.36, 65,533.52 and 12,524.48 is: 18,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689.36 : 65,533.52 = 12,524.48 : x
  2. Step 2: Convert to fraction form
    43,689.36/65,533.52 = 12,524.48/x
  3. Step 3: Cross multiply
    43,689.36x = 65,533.52 × 12,524.48
  4. Step 4: Simplify right side
    43,689.36x = 820,773,260.57
  5. Step 5: Solve for x
    x = 820,773,260.57/43,689.36
  6. Step 6: Final answer
    x = 18,786.57

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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.