Home / 43,489.02-65,234.15-12,324.27

Finding the Fourth Proportional to 43,489.02, 65,234.15 and 12,324.27

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Solution

The fourth proportional to 43,489.02, 65,234.15 and 12,324.27 is: 18,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489.02 : 65,234.15 = 12,324.27 : x
  2. Step 2: Convert to fraction form
    43,489.02/65,234.15 = 12,324.27/x
  3. Step 3: Cross multiply
    43,489.02x = 65,234.15 × 12,324.27
  4. Step 4: Simplify right side
    43,489.02x = 803,963,216.20
  5. Step 5: Solve for x
    x = 803,963,216.20/43,489.02
  6. Step 6: Final answer
    x = 18,486.58

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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.