Home / 36,519.38-50,396.76-20,603.96

Finding the Fourth Proportional to 36,519.38, 50,396.76 and 20,603.96

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Solution

The fourth proportional to 36,519.38, 50,396.76 and 20,603.96 is: 28,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.38 : 50,396.76 = 20,603.96 : x
  2. Step 2: Convert to fraction form
    36,519.38/50,396.76 = 20,603.96/x
  3. Step 3: Cross multiply
    36,519.38x = 50,396.76 × 20,603.96
  4. Step 4: Simplify right side
    36,519.38x = 1,038,372,827.17
  5. Step 5: Solve for x
    x = 1,038,372,827.17/36,519.38
  6. Step 6: Final answer
    x = 28,433.47

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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.