Home / 36,392.82-50,220.96-20,478.12

Finding the Fourth Proportional to 36,392.82, 50,220.96 and 20,478.12

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Solution

The fourth proportional to 36,392.82, 50,220.96 and 20,478.12 is: 28,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.82 : 50,220.96 = 20,478.12 : x
  2. Step 2: Convert to fraction form
    36,392.82/50,220.96 = 20,478.12/x
  3. Step 3: Cross multiply
    36,392.82x = 50,220.96 × 20,478.12
  4. Step 4: Simplify right side
    36,392.82x = 1,028,430,845.40
  5. Step 5: Solve for x
    x = 1,028,430,845.40/36,392.82
  6. Step 6: Final answer
    x = 28,259.17

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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.