Home / 36,036.96-49,739.85-21,899.22

Finding the Fourth Proportional to 36,036.96, 49,739.85 and 21,899.22

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Solution

The fourth proportional to 36,036.96, 49,739.85 and 21,899.22 is: 30,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.96 : 49,739.85 = 21,899.22 : x
  2. Step 2: Convert to fraction form
    36,036.96/49,739.85 = 21,899.22/x
  3. Step 3: Cross multiply
    36,036.96x = 49,739.85 × 21,899.22
  4. Step 4: Simplify right side
    36,036.96x = 1,089,263,917.92
  5. Step 5: Solve for x
    x = 1,089,263,917.92/36,036.96
  6. Step 6: Final answer
    x = 30,226.30

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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.