Home / 38,200.21-52,716.72-21,204.79

Finding the Fourth Proportional to 38,200.21, 52,716.72 and 21,204.79

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Solution

The fourth proportional to 38,200.21, 52,716.72 and 21,204.79 is: 29,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.21 : 52,716.72 = 21,204.79 : x
  2. Step 2: Convert to fraction form
    38,200.21/52,716.72 = 21,204.79/x
  3. Step 3: Cross multiply
    38,200.21x = 52,716.72 × 21,204.79
  4. Step 4: Simplify right side
    38,200.21x = 1,117,846,924.81
  5. Step 5: Solve for x
    x = 1,117,846,924.81/38,200.21
  6. Step 6: Final answer
    x = 29,262.85

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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.