Home / 36,790.68-55,172.10-15,729.84

Finding the Fourth Proportional to 36,790.68, 55,172.10 and 15,729.84

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Solution

The fourth proportional to 36,790.68, 55,172.10 and 15,729.84 is: 23,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,790.68 : 55,172.10 = 15,729.84 : x
  2. Step 2: Convert to fraction form
    36,790.68/55,172.10 = 15,729.84/x
  3. Step 3: Cross multiply
    36,790.68x = 55,172.10 × 15,729.84
  4. Step 4: Simplify right side
    36,790.68x = 867,848,305.46
  5. Step 5: Solve for x
    x = 867,848,305.46/36,790.68
  6. Step 6: Final answer
    x = 23,588.81

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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.