Home / 35,912.87-53,853.66-12,213.99

Finding the Fourth Proportional to 35,912.87, 53,853.66 and 12,213.99

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Solution

The fourth proportional to 35,912.87, 53,853.66 and 12,213.99 is: 18,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.87 : 53,853.66 = 12,213.99 : x
  2. Step 2: Convert to fraction form
    35,912.87/53,853.66 = 12,213.99/x
  3. Step 3: Cross multiply
    35,912.87x = 53,853.66 × 12,213.99
  4. Step 4: Simplify right side
    35,912.87x = 657,768,064.70
  5. Step 5: Solve for x
    x = 657,768,064.70/35,912.87
  6. Step 6: Final answer
    x = 18,315.66

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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.