Home / 36,775.68-50,750.40-20,008.64

Finding the Fourth Proportional to 36,775.68, 50,750.40 and 20,008.64

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Solution

The fourth proportional to 36,775.68, 50,750.40 and 20,008.64 is: 27,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,775.68 : 50,750.40 = 20,008.64 : x
  2. Step 2: Convert to fraction form
    36,775.68/50,750.40 = 20,008.64/x
  3. Step 3: Cross multiply
    36,775.68x = 50,750.40 × 20,008.64
  4. Step 4: Simplify right side
    36,775.68x = 1,015,446,483.46
  5. Step 5: Solve for x
    x = 1,015,446,483.46/36,775.68
  6. Step 6: Final answer
    x = 27,611.90

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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.