Home / 34,508.64-51,773.90-12,321.54

Finding the Fourth Proportional to 34,508.64, 51,773.90 and 12,321.54

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Solution

The fourth proportional to 34,508.64, 51,773.90 and 12,321.54 is: 18,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,508.64 : 51,773.90 = 12,321.54 : x
  2. Step 2: Convert to fraction form
    34,508.64/51,773.90 = 12,321.54/x
  3. Step 3: Cross multiply
    34,508.64x = 51,773.90 × 12,321.54
  4. Step 4: Simplify right side
    34,508.64x = 637,934,179.81
  5. Step 5: Solve for x
    x = 637,934,179.81/34,508.64
  6. Step 6: Final answer
    x = 18,486.22

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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.