Home / 36,871.25-50,882.68-20,955.81

Finding the Fourth Proportional to 36,871.25, 50,882.68 and 20,955.81

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Solution

The fourth proportional to 36,871.25, 50,882.68 and 20,955.81 is: 28,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871.25 : 50,882.68 = 20,955.81 : x
  2. Step 2: Convert to fraction form
    36,871.25/50,882.68 = 20,955.81/x
  3. Step 3: Cross multiply
    36,871.25x = 50,882.68 × 20,955.81
  4. Step 4: Simplify right side
    36,871.25x = 1,066,287,991.38
  5. Step 5: Solve for x
    x = 1,066,287,991.38/36,871.25
  6. Step 6: Final answer
    x = 28,919.22

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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.