Home / 43,355.91-65,044.77-12,191.16

Finding the Fourth Proportional to 43,355.91, 65,044.77 and 12,191.16

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Solution

The fourth proportional to 43,355.91, 65,044.77 and 12,191.16 is: 18,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.91 : 65,044.77 = 12,191.16 : x
  2. Step 2: Convert to fraction form
    43,355.91/65,044.77 = 12,191.16/x
  3. Step 3: Cross multiply
    43,355.91x = 65,044.77 × 12,191.16
  4. Step 4: Simplify right side
    43,355.91x = 792,971,099.13
  5. Step 5: Solve for x
    x = 792,971,099.13/43,355.91
  6. Step 6: Final answer
    x = 18,289.80

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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.