Home / 36,697.66-50,642.78-20,785.18

Finding the Fourth Proportional to 36,697.66, 50,642.78 and 20,785.18

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Solution

The fourth proportional to 36,697.66, 50,642.78 and 20,785.18 is: 28,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.66 : 50,642.78 = 20,785.18 : x
  2. Step 2: Convert to fraction form
    36,697.66/50,642.78 = 20,785.18/x
  3. Step 3: Cross multiply
    36,697.66x = 50,642.78 × 20,785.18
  4. Step 4: Simplify right side
    36,697.66x = 1,052,619,298.00
  5. Step 5: Solve for x
    x = 1,052,619,298.00/36,697.66
  6. Step 6: Final answer
    x = 28,683.55

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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.