Home / 36,029.74-49,720.21-20,115.67

Finding the Fourth Proportional to 36,029.74, 49,720.21 and 20,115.67

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Solution

The fourth proportional to 36,029.74, 49,720.21 and 20,115.67 is: 27,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.74 : 49,720.21 = 20,115.67 : x
  2. Step 2: Convert to fraction form
    36,029.74/49,720.21 = 20,115.67/x
  3. Step 3: Cross multiply
    36,029.74x = 49,720.21 × 20,115.67
  4. Step 4: Simplify right side
    36,029.74x = 1,000,155,336.69
  5. Step 5: Solve for x
    x = 1,000,155,336.69/36,029.74
  6. Step 6: Final answer
    x = 27,759.16

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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.