Home / 36,394.84-50,227.78-20,478.28

Finding the Fourth Proportional to 36,394.84, 50,227.78 and 20,478.28

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Solution

The fourth proportional to 36,394.84, 50,227.78 and 20,478.28 is: 28,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,394.84 : 50,227.78 = 20,478.28 : x
  2. Step 2: Convert to fraction form
    36,394.84/50,227.78 = 20,478.28/x
  3. Step 3: Cross multiply
    36,394.84x = 50,227.78 × 20,478.28
  4. Step 4: Simplify right side
    36,394.84x = 1,028,578,542.62
  5. Step 5: Solve for x
    x = 1,028,578,542.62/36,394.84
  6. Step 6: Final answer
    x = 28,261.66

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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.