Home / 53,669.87-80,506.97-13,689.89

Finding the Fourth Proportional to 53,669.87, 80,506.97 and 13,689.89

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Solution

The fourth proportional to 53,669.87, 80,506.97 and 13,689.89 is: 20,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,669.87 : 80,506.97 = 13,689.89 : x
  2. Step 2: Convert to fraction form
    53,669.87/80,506.97 = 13,689.89/x
  3. Step 3: Cross multiply
    53,669.87x = 80,506.97 × 13,689.89
  4. Step 4: Simplify right side
    53,669.87x = 1,102,131,563.53
  5. Step 5: Solve for x
    x = 1,102,131,563.53/53,669.87
  6. Step 6: Final answer
    x = 20,535.39

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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.