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Finding the Fourth Proportional to 33,379, 46,063.07 and 20,803.75

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Solution

The fourth proportional to 33,379, 46,063.07 and 20,803.75 is: 28,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,379 : 46,063.07 = 20,803.75 : x
  2. Step 2: Convert to fraction form
    33,379/46,063.07 = 20,803.75/x
  3. Step 3: Cross multiply
    33,379x = 46,063.07 × 20,803.75
  4. Step 4: Simplify right side
    33,379x = 958,284,592.51
  5. Step 5: Solve for x
    x = 958,284,592.51/33,379
  6. Step 6: Final answer
    x = 28,709.21

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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.