Home / 36,002.81-49,686.26-20,087.60

Finding the Fourth Proportional to 36,002.81, 49,686.26 and 20,087.60

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Solution

The fourth proportional to 36,002.81, 49,686.26 and 20,087.60 is: 27,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.81 : 49,686.26 = 20,087.60 : x
  2. Step 2: Convert to fraction form
    36,002.81/49,686.26 = 20,087.60/x
  3. Step 3: Cross multiply
    36,002.81x = 49,686.26 × 20,087.60
  4. Step 4: Simplify right side
    36,002.81x = 998,077,716.38
  5. Step 5: Solve for x
    x = 998,077,716.38/36,002.81
  6. Step 6: Final answer
    x = 27,722.22

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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.