Home / 34,317.61-51,379.35-21,806.62

Finding the Fourth Proportional to 34,317.61, 51,379.35 and 21,806.62

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Solution

The fourth proportional to 34,317.61, 51,379.35 and 21,806.62 is: 32,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,317.61 : 51,379.35 = 21,806.62 : x
  2. Step 2: Convert to fraction form
    34,317.61/51,379.35 = 21,806.62/x
  3. Step 3: Cross multiply
    34,317.61x = 51,379.35 × 21,806.62
  4. Step 4: Simplify right side
    34,317.61x = 1,120,409,961.30
  5. Step 5: Solve for x
    x = 1,120,409,961.30/34,317.61
  6. Step 6: Final answer
    x = 32,648.25

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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.