Home / 53,566.82-80,361.97-20,287.12

Finding the Fourth Proportional to 53,566.82, 80,361.97 and 20,287.12

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Solution

The fourth proportional to 53,566.82, 80,361.97 and 20,287.12 is: 30,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,566.82 : 80,361.97 = 20,287.12 : x
  2. Step 2: Convert to fraction form
    53,566.82/80,361.97 = 20,287.12/x
  3. Step 3: Cross multiply
    53,566.82x = 80,361.97 × 20,287.12
  4. Step 4: Simplify right side
    53,566.82x = 1,630,312,928.83
  5. Step 5: Solve for x
    x = 1,630,312,928.83/53,566.82
  6. Step 6: Final answer
    x = 30,435.13

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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.