Home / 36,357.81-50,156.94-21,251.11

Finding the Fourth Proportional to 36,357.81, 50,156.94 and 21,251.11

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Solution

The fourth proportional to 36,357.81, 50,156.94 and 21,251.11 is: 29,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,357.81 : 50,156.94 = 21,251.11 : x
  2. Step 2: Convert to fraction form
    36,357.81/50,156.94 = 21,251.11/x
  3. Step 3: Cross multiply
    36,357.81x = 50,156.94 × 21,251.11
  4. Step 4: Simplify right side
    36,357.81x = 1,065,890,292.16
  5. Step 5: Solve for x
    x = 1,065,890,292.16/36,357.81
  6. Step 6: Final answer
    x = 29,316.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.