Home / 43,293.54-64,942.83-12,131.22

Finding the Fourth Proportional to 43,293.54, 64,942.83 and 12,131.22

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Solution

The fourth proportional to 43,293.54, 64,942.83 and 12,131.22 is: 18,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293.54 : 64,942.83 = 12,131.22 : x
  2. Step 2: Convert to fraction form
    43,293.54/64,942.83 = 12,131.22/x
  3. Step 3: Cross multiply
    43,293.54x = 64,942.83 × 12,131.22
  4. Step 4: Simplify right side
    43,293.54x = 787,835,758.15
  5. Step 5: Solve for x
    x = 787,835,758.15/43,293.54
  6. Step 6: Final answer
    x = 18,197.54

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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.