Home / 36,868.12-50,878.84-21,764.48

Finding the Fourth Proportional to 36,868.12, 50,878.84 and 21,764.48

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Solution

The fourth proportional to 36,868.12, 50,878.84 and 21,764.48 is: 30,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,868.12 : 50,878.84 = 21,764.48 : x
  2. Step 2: Convert to fraction form
    36,868.12/50,878.84 = 21,764.48/x
  3. Step 3: Cross multiply
    36,868.12x = 50,878.84 × 21,764.48
  4. Step 4: Simplify right side
    36,868.12x = 1,107,351,495.60
  5. Step 5: Solve for x
    x = 1,107,351,495.60/36,868.12
  6. Step 6: Final answer
    x = 30,035.47

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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.