Home / 33,172.60-45,777.72-18,832.30

Finding the Fourth Proportional to 33,172.60, 45,777.72 and 18,832.30

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Solution

The fourth proportional to 33,172.60, 45,777.72 and 18,832.30 is: 25,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.60 : 45,777.72 = 18,832.30 : x
  2. Step 2: Convert to fraction form
    33,172.60/45,777.72 = 18,832.30/x
  3. Step 3: Cross multiply
    33,172.60x = 45,777.72 × 18,832.30
  4. Step 4: Simplify right side
    33,172.60x = 862,099,756.36
  5. Step 5: Solve for x
    x = 862,099,756.36/33,172.60
  6. Step 6: Final answer
    x = 25,988.31

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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.