Home / 36,758.40-55,112.07-20,126.25

Finding the Fourth Proportional to 36,758.40, 55,112.07 and 20,126.25

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Solution

The fourth proportional to 36,758.40, 55,112.07 and 20,126.25 is: 30,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.40 : 55,112.07 = 20,126.25 : x
  2. Step 2: Convert to fraction form
    36,758.40/55,112.07 = 20,126.25/x
  3. Step 3: Cross multiply
    36,758.40x = 55,112.07 × 20,126.25
  4. Step 4: Simplify right side
    36,758.40x = 1,109,199,298.84
  5. Step 5: Solve for x
    x = 1,109,199,298.84/36,758.40
  6. Step 6: Final answer
    x = 30,175.40

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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.