Home / 33,114.78-45,697.50-18,777.24

Finding the Fourth Proportional to 33,114.78, 45,697.50 and 18,777.24

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Solution

The fourth proportional to 33,114.78, 45,697.50 and 18,777.24 is: 25,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,114.78 : 45,697.50 = 18,777.24 : x
  2. Step 2: Convert to fraction form
    33,114.78/45,697.50 = 18,777.24/x
  3. Step 3: Cross multiply
    33,114.78x = 45,697.50 × 18,777.24
  4. Step 4: Simplify right side
    33,114.78x = 858,072,924.90
  5. Step 5: Solve for x
    x = 858,072,924.90/33,114.78
  6. Step 6: Final answer
    x = 25,912.08

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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.