Home / 43,826.88-65,751.36-12,661.92

Finding the Fourth Proportional to 43,826.88, 65,751.36 and 12,661.92

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Solution

The fourth proportional to 43,826.88, 65,751.36 and 12,661.92 is: 18,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,826.88 : 65,751.36 = 12,661.92 : x
  2. Step 2: Convert to fraction form
    43,826.88/65,751.36 = 12,661.92/x
  3. Step 3: Cross multiply
    43,826.88x = 65,751.36 × 12,661.92
  4. Step 4: Simplify right side
    43,826.88x = 832,538,460.21
  5. Step 5: Solve for x
    x = 832,538,460.21/43,826.88
  6. Step 6: Final answer
    x = 18,996.07

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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.