Home / 32,921.45-49,381.67-7,961.33

Finding the Fourth Proportional to 32,921.45, 49,381.67 and 7,961.33

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Solution

The fourth proportional to 32,921.45, 49,381.67 and 7,961.33 is: 11,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.45 : 49,381.67 = 7,961.33 : x
  2. Step 2: Convert to fraction form
    32,921.45/49,381.67 = 7,961.33/x
  3. Step 3: Cross multiply
    32,921.45x = 49,381.67 × 7,961.33
  4. Step 4: Simplify right side
    32,921.45x = 393,143,770.82
  5. Step 5: Solve for x
    x = 393,143,770.82/32,921.45
  6. Step 6: Final answer
    x = 11,941.87

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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.