Home / 36,699.13-50,645.01-20,785.06

Finding the Fourth Proportional to 36,699.13, 50,645.01 and 20,785.06

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Solution

The fourth proportional to 36,699.13, 50,645.01 and 20,785.06 is: 28,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.13 : 50,645.01 = 20,785.06 : x
  2. Step 2: Convert to fraction form
    36,699.13/50,645.01 = 20,785.06/x
  3. Step 3: Cross multiply
    36,699.13x = 50,645.01 × 20,785.06
  4. Step 4: Simplify right side
    36,699.13x = 1,052,659,571.55
  5. Step 5: Solve for x
    x = 1,052,659,571.55/36,699.13
  6. Step 6: Final answer
    x = 28,683.50

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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.