Home / 36,420.11-50,259.56-20,504.67

Finding the Fourth Proportional to 36,420.11, 50,259.56 and 20,504.67

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Solution

The fourth proportional to 36,420.11, 50,259.56 and 20,504.67 is: 28,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.11 : 50,259.56 = 20,504.67 : x
  2. Step 2: Convert to fraction form
    36,420.11/50,259.56 = 20,504.67/x
  3. Step 3: Cross multiply
    36,420.11x = 50,259.56 × 20,504.67
  4. Step 4: Simplify right side
    36,420.11x = 1,030,555,692.15
  5. Step 5: Solve for x
    x = 1,030,555,692.15/36,420.11
  6. Step 6: Final answer
    x = 28,296.34

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Double scale
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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.