Home / 43,342.08-65,005.76-12,170

Finding the Fourth Proportional to 43,342.08, 65,005.76 and 12,170

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Solution

The fourth proportional to 43,342.08, 65,005.76 and 12,170 is: 18,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342.08 : 65,005.76 = 12,170 : x
  2. Step 2: Convert to fraction form
    43,342.08/65,005.76 = 12,170/x
  3. Step 3: Cross multiply
    43,342.08x = 65,005.76 × 12,170
  4. Step 4: Simplify right side
    43,342.08x = 791,120,099.20
  5. Step 5: Solve for x
    x = 791,120,099.20/43,342.08
  6. Step 6: Final answer
    x = 18,252.93

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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.