Home / 36,519.20-50,398.80-20,603.28

Finding the Fourth Proportional to 36,519.20, 50,398.80 and 20,603.28

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Solution

The fourth proportional to 36,519.20, 50,398.80 and 20,603.28 is: 28,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.20 : 50,398.80 = 20,603.28 : x
  2. Step 2: Convert to fraction form
    36,519.20/50,398.80 = 20,603.28/x
  3. Step 3: Cross multiply
    36,519.20x = 50,398.80 × 20,603.28
  4. Step 4: Simplify right side
    36,519.20x = 1,038,380,588.06
  5. Step 5: Solve for x
    x = 1,038,380,588.06/36,519.20
  6. Step 6: Final answer
    x = 28,433.83

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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.