Home / 36,453.39-50,309.25-21,345.12

Finding the Fourth Proportional to 36,453.39, 50,309.25 and 21,345.12

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Solution

The fourth proportional to 36,453.39, 50,309.25 and 21,345.12 is: 29,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,453.39 : 50,309.25 = 21,345.12 : x
  2. Step 2: Convert to fraction form
    36,453.39/50,309.25 = 21,345.12/x
  3. Step 3: Cross multiply
    36,453.39x = 50,309.25 × 21,345.12
  4. Step 4: Simplify right side
    36,453.39x = 1,073,856,978.36
  5. Step 5: Solve for x
    x = 1,073,856,978.36/36,453.39
  6. Step 6: Final answer
    x = 29,458.36

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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.