Home / 34,116.70-51,165.32-21,617.86

Finding the Fourth Proportional to 34,116.70, 51,165.32 and 21,617.86

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Solution

The fourth proportional to 34,116.70, 51,165.32 and 21,617.86 is: 32,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,116.70 : 51,165.32 = 21,617.86 : x
  2. Step 2: Convert to fraction form
    34,116.70/51,165.32 = 21,617.86/x
  3. Step 3: Cross multiply
    34,116.70x = 51,165.32 × 21,617.86
  4. Step 4: Simplify right side
    34,116.70x = 1,106,084,650.75
  5. Step 5: Solve for x
    x = 1,106,084,650.75/34,116.70
  6. Step 6: Final answer
    x = 32,420.62

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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.