Home / 36,261.51-54,340.43-20,646.87

Finding the Fourth Proportional to 36,261.51, 54,340.43 and 20,646.87

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Solution

The fourth proportional to 36,261.51, 54,340.43 and 20,646.87 is: 30,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.51 : 54,340.43 = 20,646.87 : x
  2. Step 2: Convert to fraction form
    36,261.51/54,340.43 = 20,646.87/x
  3. Step 3: Cross multiply
    36,261.51x = 54,340.43 × 20,646.87
  4. Step 4: Simplify right side
    36,261.51x = 1,121,959,690.72
  5. Step 5: Solve for x
    x = 1,121,959,690.72/36,261.51
  6. Step 6: Final answer
    x = 30,940.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.