Home / 53,464.31-80,214.57-20,193.98

Finding the Fourth Proportional to 53,464.31, 80,214.57 and 20,193.98

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Solution

The fourth proportional to 53,464.31, 80,214.57 and 20,193.98 is: 30,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,464.31 : 80,214.57 = 20,193.98 : x
  2. Step 2: Convert to fraction form
    53,464.31/80,214.57 = 20,193.98/x
  3. Step 3: Cross multiply
    53,464.31x = 80,214.57 × 20,193.98
  4. Step 4: Simplify right side
    53,464.31x = 1,619,851,422.29
  5. Step 5: Solve for x
    x = 1,619,851,422.29/53,464.31
  6. Step 6: Final answer
    x = 30,297.81

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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.