Home / 37,771.36-52,123.44-20,775.64

Finding the Fourth Proportional to 37,771.36, 52,123.44 and 20,775.64

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Solution

The fourth proportional to 37,771.36, 52,123.44 and 20,775.64 is: 28,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.36 : 52,123.44 = 20,775.64 : x
  2. Step 2: Convert to fraction form
    37,771.36/52,123.44 = 20,775.64/x
  3. Step 3: Cross multiply
    37,771.36x = 52,123.44 × 20,775.64
  4. Step 4: Simplify right side
    37,771.36x = 1,082,897,825.00
  5. Step 5: Solve for x
    x = 1,082,897,825.00/37,771.36
  6. Step 6: Final answer
    x = 28,669.81

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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.