Home / 34,338.62-51,531.01-12,151.90

Finding the Fourth Proportional to 34,338.62, 51,531.01 and 12,151.90

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Solution

The fourth proportional to 34,338.62, 51,531.01 and 12,151.90 is: 18,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.62 : 51,531.01 = 12,151.90 : x
  2. Step 2: Convert to fraction form
    34,338.62/51,531.01 = 12,151.90/x
  3. Step 3: Cross multiply
    34,338.62x = 51,531.01 × 12,151.90
  4. Step 4: Simplify right side
    34,338.62x = 626,199,680.42
  5. Step 5: Solve for x
    x = 626,199,680.42/34,338.62
  6. Step 6: Final answer
    x = 18,236.02

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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.