Home / 36,431.35-50,276.52-21,325.42

Finding the Fourth Proportional to 36,431.35, 50,276.52 and 21,325.42

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Solution

The fourth proportional to 36,431.35, 50,276.52 and 21,325.42 is: 29,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.35 : 50,276.52 = 21,325.42 : x
  2. Step 2: Convert to fraction form
    36,431.35/50,276.52 = 21,325.42/x
  3. Step 3: Cross multiply
    36,431.35x = 50,276.52 × 21,325.42
  4. Step 4: Simplify right side
    36,431.35x = 1,072,167,905.14
  5. Step 5: Solve for x
    x = 1,072,167,905.14/36,431.35
  6. Step 6: Final answer
    x = 29,429.82

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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.