Home / 36,720.28-50,673.81-20,804.70

Finding the Fourth Proportional to 36,720.28, 50,673.81 and 20,804.70

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Solution

The fourth proportional to 36,720.28, 50,673.81 and 20,804.70 is: 28,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.28 : 50,673.81 = 20,804.70 : x
  2. Step 2: Convert to fraction form
    36,720.28/50,673.81 = 20,804.70/x
  3. Step 3: Cross multiply
    36,720.28x = 50,673.81 × 20,804.70
  4. Step 4: Simplify right side
    36,720.28x = 1,054,253,414.91
  5. Step 5: Solve for x
    x = 1,054,253,414.91/36,720.28
  6. Step 6: Final answer
    x = 28,710.39

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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.