Home / 34,317.75-51,379.53-21,806.76

Finding the Fourth Proportional to 34,317.75, 51,379.53 and 21,806.76

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Solution

The fourth proportional to 34,317.75, 51,379.53 and 21,806.76 is: 32,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,317.75 : 51,379.53 = 21,806.76 : x
  2. Step 2: Convert to fraction form
    34,317.75/51,379.53 = 21,806.76/x
  3. Step 3: Cross multiply
    34,317.75x = 51,379.53 × 21,806.76
  4. Step 4: Simplify right side
    34,317.75x = 1,120,421,079.62
  5. Step 5: Solve for x
    x = 1,120,421,079.62/34,317.75
  6. Step 6: Final answer
    x = 32,648.44

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1.5x scale

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.