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Finding the Fourth Proportional to 36,134.08, 49,860.80 and 20,218.08

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Solution

The fourth proportional to 36,134.08, 49,860.80 and 20,218.08 is: 27,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,134.08 : 49,860.80 = 20,218.08 : x
  2. Step 2: Convert to fraction form
    36,134.08/49,860.80 = 20,218.08/x
  3. Step 3: Cross multiply
    36,134.08x = 49,860.80 × 20,218.08
  4. Step 4: Simplify right side
    36,134.08x = 1,008,089,643.26
  5. Step 5: Solve for x
    x = 1,008,089,643.26/36,134.08
  6. Step 6: Final answer
    x = 27,898.58

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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.