Home / 33,728.90-50,595.78-12,952.40

Finding the Fourth Proportional to 33,728.90, 50,595.78 and 12,952.40

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Solution

The fourth proportional to 33,728.90, 50,595.78 and 12,952.40 is: 19,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.90 : 50,595.78 = 12,952.40 : x
  2. Step 2: Convert to fraction form
    33,728.90/50,595.78 = 12,952.40/x
  3. Step 3: Cross multiply
    33,728.90x = 50,595.78 × 12,952.40
  4. Step 4: Simplify right side
    33,728.90x = 655,336,780.87
  5. Step 5: Solve for x
    x = 655,336,780.87/33,728.90
  6. Step 6: Final answer
    x = 19,429.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.