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Finding the Fourth Proportional to 33,673.12, 50,511.24 and 12,895.12

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Solution

The fourth proportional to 33,673.12, 50,511.24 and 12,895.12 is: 19,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,673.12 : 50,511.24 = 12,895.12 : x
  2. Step 2: Convert to fraction form
    33,673.12/50,511.24 = 12,895.12/x
  3. Step 3: Cross multiply
    33,673.12x = 50,511.24 × 12,895.12
  4. Step 4: Simplify right side
    33,673.12x = 651,348,501.15
  5. Step 5: Solve for x
    x = 651,348,501.15/33,673.12
  6. Step 6: Final answer
    x = 19,343.28

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1.5x scale

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.