Home / 36,027.90-49,720.50-20,112.48

Finding the Fourth Proportional to 36,027.90, 49,720.50 and 20,112.48

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Solution

The fourth proportional to 36,027.90, 49,720.50 and 20,112.48 is: 27,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,027.90 : 49,720.50 = 20,112.48 : x
  2. Step 2: Convert to fraction form
    36,027.90/49,720.50 = 20,112.48/x
  3. Step 3: Cross multiply
    36,027.90x = 49,720.50 × 20,112.48
  4. Step 4: Simplify right side
    36,027.90x = 1,000,002,561.84
  5. Step 5: Solve for x
    x = 1,000,002,561.84/36,027.90
  6. Step 6: Final answer
    x = 27,756.34

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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.