Home / 33,669.12-50,505.24-12,891.12

Finding the Fourth Proportional to 33,669.12, 50,505.24 and 12,891.12

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Solution

The fourth proportional to 33,669.12, 50,505.24 and 12,891.12 is: 19,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,669.12 : 50,505.24 = 12,891.12 : x
  2. Step 2: Convert to fraction form
    33,669.12/50,505.24 = 12,891.12/x
  3. Step 3: Cross multiply
    33,669.12x = 50,505.24 × 12,891.12
  4. Step 4: Simplify right side
    33,669.12x = 651,069,109.47
  5. Step 5: Solve for x
    x = 651,069,109.47/33,669.12
  6. Step 6: Final answer
    x = 19,337.28

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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.