Home / 36,743.20-50,705.41-20,390.25

Finding the Fourth Proportional to 36,743.20, 50,705.41 and 20,390.25

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Solution

The fourth proportional to 36,743.20, 50,705.41 and 20,390.25 is: 28,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,743.20 : 50,705.41 = 20,390.25 : x
  2. Step 2: Convert to fraction form
    36,743.20/50,705.41 = 20,390.25/x
  3. Step 3: Cross multiply
    36,743.20x = 50,705.41 × 20,390.25
  4. Step 4: Simplify right side
    36,743.20x = 1,033,895,681.75
  5. Step 5: Solve for x
    x = 1,033,895,681.75/36,743.20
  6. Step 6: Final answer
    x = 28,138.42

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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.