Home / 36,154.64-49,891.08-20,238.80

Finding the Fourth Proportional to 36,154.64, 49,891.08 and 20,238.80

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Solution

The fourth proportional to 36,154.64, 49,891.08 and 20,238.80 is: 27,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.64 : 49,891.08 = 20,238.80 : x
  2. Step 2: Convert to fraction form
    36,154.64/49,891.08 = 20,238.80/x
  3. Step 3: Cross multiply
    36,154.64x = 49,891.08 × 20,238.80
  4. Step 4: Simplify right side
    36,154.64x = 1,009,735,589.90
  5. Step 5: Solve for x
    x = 1,009,735,589.90/36,154.64
  6. Step 6: Final answer
    x = 27,928.24

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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.