Home / 43,426.86-65,140.26-12,262.11

Finding the Fourth Proportional to 43,426.86, 65,140.26 and 12,262.11

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Solution

The fourth proportional to 43,426.86, 65,140.26 and 12,262.11 is: 18,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426.86 : 65,140.26 = 12,262.11 : x
  2. Step 2: Convert to fraction form
    43,426.86/65,140.26 = 12,262.11/x
  3. Step 3: Cross multiply
    43,426.86x = 65,140.26 × 12,262.11
  4. Step 4: Simplify right side
    43,426.86x = 798,757,033.55
  5. Step 5: Solve for x
    x = 798,757,033.55/43,426.86
  6. Step 6: Final answer
    x = 18,393.16

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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.