Home / 33,192.99-45,810.09-20,443.59

Finding the Fourth Proportional to 33,192.99, 45,810.09 and 20,443.59

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Solution

The fourth proportional to 33,192.99, 45,810.09 and 20,443.59 is: 28,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,192.99 : 45,810.09 = 20,443.59 : x
  2. Step 2: Convert to fraction form
    33,192.99/45,810.09 = 20,443.59/x
  3. Step 3: Cross multiply
    33,192.99x = 45,810.09 × 20,443.59
  4. Step 4: Simplify right side
    33,192.99x = 936,522,697.82
  5. Step 5: Solve for x
    x = 936,522,697.82/33,192.99
  6. Step 6: Final answer
    x = 28,214.47

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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.