Home / 34,315.11-51,375.60-21,804.12

Finding the Fourth Proportional to 34,315.11, 51,375.60 and 21,804.12

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Solution

The fourth proportional to 34,315.11, 51,375.60 and 21,804.12 is: 32,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,315.11 : 51,375.60 = 21,804.12 : x
  2. Step 2: Convert to fraction form
    34,315.11/51,375.60 = 21,804.12/x
  3. Step 3: Cross multiply
    34,315.11x = 51,375.60 × 21,804.12
  4. Step 4: Simplify right side
    34,315.11x = 1,120,199,747.47
  5. Step 5: Solve for x
    x = 1,120,199,747.47/34,315.11
  6. Step 6: Final answer
    x = 32,644.50

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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.