Home / 36,744.45-55,113.72-11,777.79

Finding the Fourth Proportional to 36,744.45, 55,113.72 and 11,777.79

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Solution

The fourth proportional to 36,744.45, 55,113.72 and 11,777.79 is: 17,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,744.45 : 55,113.72 = 11,777.79 : x
  2. Step 2: Convert to fraction form
    36,744.45/55,113.72 = 11,777.79/x
  3. Step 3: Cross multiply
    36,744.45x = 55,113.72 × 11,777.79
  4. Step 4: Simplify right side
    36,744.45x = 649,117,820.28
  5. Step 5: Solve for x
    x = 649,117,820.28/36,744.45
  6. Step 6: Final answer
    x = 17,665.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.