Home / 38,214.75-52,736.36-21,447.75

Finding the Fourth Proportional to 38,214.75, 52,736.36 and 21,447.75

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Solution

The fourth proportional to 38,214.75, 52,736.36 and 21,447.75 is: 29,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214.75 : 52,736.36 = 21,447.75 : x
  2. Step 2: Convert to fraction form
    38,214.75/52,736.36 = 21,447.75/x
  3. Step 3: Cross multiply
    38,214.75x = 52,736.36 × 21,447.75
  4. Step 4: Simplify right side
    38,214.75x = 1,131,076,157.95
  5. Step 5: Solve for x
    x = 1,131,076,157.95/38,214.75
  6. Step 6: Final answer
    x = 29,597.90

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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.