Home / 36,322.40-50,121.24-21,215.36

Finding the Fourth Proportional to 36,322.40, 50,121.24 and 21,215.36

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Solution

The fourth proportional to 36,322.40, 50,121.24 and 21,215.36 is: 29,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.40 : 50,121.24 = 21,215.36 : x
  2. Step 2: Convert to fraction form
    36,322.40/50,121.24 = 21,215.36/x
  3. Step 3: Cross multiply
    36,322.40x = 50,121.24 × 21,215.36
  4. Step 4: Simplify right side
    36,322.40x = 1,063,340,150.25
  5. Step 5: Solve for x
    x = 1,063,340,150.25/36,322.40
  6. Step 6: Final answer
    x = 29,275.05

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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.