Home / 53,450.37-80,113.59-20,149.11

Finding the Fourth Proportional to 53,450.37, 80,113.59 and 20,149.11

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Solution

The fourth proportional to 53,450.37, 80,113.59 and 20,149.11 is: 30,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.37 : 80,113.59 = 20,149.11 : x
  2. Step 2: Convert to fraction form
    53,450.37/80,113.59 = 20,149.11/x
  3. Step 3: Cross multiply
    53,450.37x = 80,113.59 × 20,149.11
  4. Step 4: Simplify right side
    53,450.37x = 1,614,217,537.40
  5. Step 5: Solve for x
    x = 1,614,217,537.40/53,450.37
  6. Step 6: Final answer
    x = 30,200.31

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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.