Home / 33,172.35-45,777.37-18,832.05

Finding the Fourth Proportional to 33,172.35, 45,777.37 and 18,832.05

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Solution

The fourth proportional to 33,172.35, 45,777.37 and 18,832.05 is: 25,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.35 : 45,777.37 = 18,832.05 : x
  2. Step 2: Convert to fraction form
    33,172.35/45,777.37 = 18,832.05/x
  3. Step 3: Cross multiply
    33,172.35x = 45,777.37 × 18,832.05
  4. Step 4: Simplify right side
    33,172.35x = 862,081,720.71
  5. Step 5: Solve for x
    x = 862,081,720.71/33,172.35
  6. Step 6: Final answer
    x = 25,987.96

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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.