Home / 36,420.72-50,261.94-20,289.48

Finding the Fourth Proportional to 36,420.72, 50,261.94 and 20,289.48

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Solution

The fourth proportional to 36,420.72, 50,261.94 and 20,289.48 is: 28,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.72 : 50,261.94 = 20,289.48 : x
  2. Step 2: Convert to fraction form
    36,420.72/50,261.94 = 20,289.48/x
  3. Step 3: Cross multiply
    36,420.72x = 50,261.94 × 20,289.48
  4. Step 4: Simplify right side
    36,420.72x = 1,019,788,626.39
  5. Step 5: Solve for x
    x = 1,019,788,626.39/36,420.72
  6. Step 6: Final answer
    x = 28,000.23

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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.