Home / 36,780.21-55,170.43-10,126.55

Finding the Fourth Proportional to 36,780.21, 55,170.43 and 10,126.55

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Solution

The fourth proportional to 36,780.21, 55,170.43 and 10,126.55 is: 15,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.21 : 55,170.43 = 10,126.55 : x
  2. Step 2: Convert to fraction form
    36,780.21/55,170.43 = 10,126.55/x
  3. Step 3: Cross multiply
    36,780.21x = 55,170.43 × 10,126.55
  4. Step 4: Simplify right side
    36,780.21x = 558,686,230.53
  5. Step 5: Solve for x
    x = 558,686,230.53/36,780.21
  6. Step 6: Final answer
    x = 15,189.86

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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.