Home / 36,086.28-49,799.25-20,170.40

Finding the Fourth Proportional to 36,086.28, 49,799.25 and 20,170.40

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Solution

The fourth proportional to 36,086.28, 49,799.25 and 20,170.40 is: 27,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.28 : 49,799.25 = 20,170.40 : x
  2. Step 2: Convert to fraction form
    36,086.28/49,799.25 = 20,170.40/x
  3. Step 3: Cross multiply
    36,086.28x = 49,799.25 × 20,170.40
  4. Step 4: Simplify right side
    36,086.28x = 1,004,470,543.20
  5. Step 5: Solve for x
    x = 1,004,470,543.20/36,086.28
  6. Step 6: Final answer
    x = 27,835.25

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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.