Home / 36,420.33-50,261.01-20,505.36

Finding the Fourth Proportional to 36,420.33, 50,261.01 and 20,505.36

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Solution

The fourth proportional to 36,420.33, 50,261.01 and 20,505.36 is: 28,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.33 : 50,261.01 = 20,505.36 : x
  2. Step 2: Convert to fraction form
    36,420.33/50,261.01 = 20,505.36/x
  3. Step 3: Cross multiply
    36,420.33x = 50,261.01 × 20,505.36
  4. Step 4: Simplify right side
    36,420.33x = 1,030,620,104.01
  5. Step 5: Solve for x
    x = 1,030,620,104.01/36,420.33
  6. Step 6: Final answer
    x = 28,297.93

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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.