Home / 53,433.65-80,169.06-20,163.31

Finding the Fourth Proportional to 53,433.65, 80,169.06 and 20,163.31

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Solution

The fourth proportional to 53,433.65, 80,169.06 and 20,163.31 is: 30,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,433.65 : 80,169.06 = 20,163.31 : x
  2. Step 2: Convert to fraction form
    53,433.65/80,169.06 = 20,163.31/x
  3. Step 3: Cross multiply
    53,433.65x = 80,169.06 × 20,163.31
  4. Step 4: Simplify right side
    53,433.65x = 1,616,473,609.19
  5. Step 5: Solve for x
    x = 1,616,473,609.19/53,433.65
  6. Step 6: Final answer
    x = 30,251.98

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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.