Home / 36,122.42-49,855.38-21,784.80

Finding the Fourth Proportional to 36,122.42, 49,855.38 and 21,784.80

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Solution

The fourth proportional to 36,122.42, 49,855.38 and 21,784.80 is: 30,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.42 : 49,855.38 = 21,784.80 : x
  2. Step 2: Convert to fraction form
    36,122.42/49,855.38 = 21,784.80/x
  3. Step 3: Cross multiply
    36,122.42x = 49,855.38 × 21,784.80
  4. Step 4: Simplify right side
    36,122.42x = 1,086,089,482.22
  5. Step 5: Solve for x
    x = 1,086,089,482.22/36,122.42
  6. Step 6: Final answer
    x = 30,066.91

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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.