Home / 36,580.81-50,480.78-20,448.04

Finding the Fourth Proportional to 36,580.81, 50,480.78 and 20,448.04

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Solution

The fourth proportional to 36,580.81, 50,480.78 and 20,448.04 is: 28,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,580.81 : 50,480.78 = 20,448.04 : x
  2. Step 2: Convert to fraction form
    36,580.81/50,480.78 = 20,448.04/x
  3. Step 3: Cross multiply
    36,580.81x = 50,480.78 × 20,448.04
  4. Step 4: Simplify right side
    36,580.81x = 1,032,232,756.27
  5. Step 5: Solve for x
    x = 1,032,232,756.27/36,580.81
  6. Step 6: Final answer
    x = 28,217.88

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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.