Home / 33,555.72-46,305.11-18,445.47

Finding the Fourth Proportional to 33,555.72, 46,305.11 and 18,445.47

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Solution

The fourth proportional to 33,555.72, 46,305.11 and 18,445.47 is: 25,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,555.72 : 46,305.11 = 18,445.47 : x
  2. Step 2: Convert to fraction form
    33,555.72/46,305.11 = 18,445.47/x
  3. Step 3: Cross multiply
    33,555.72x = 46,305.11 × 18,445.47
  4. Step 4: Simplify right side
    33,555.72x = 854,119,425.12
  5. Step 5: Solve for x
    x = 854,119,425.12/33,555.72
  6. Step 6: Final answer
    x = 25,453.77

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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.