Home / 53,517.81-80,277.68-20,253.54

Finding the Fourth Proportional to 53,517.81, 80,277.68 and 20,253.54

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Solution

The fourth proportional to 53,517.81, 80,277.68 and 20,253.54 is: 30,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.81 : 80,277.68 = 20,253.54 : x
  2. Step 2: Convert to fraction form
    53,517.81/80,277.68 = 20,253.54/x
  3. Step 3: Cross multiply
    53,517.81x = 80,277.68 × 20,253.54
  4. Step 4: Simplify right side
    53,517.81x = 1,625,907,554.66
  5. Step 5: Solve for x
    x = 1,625,907,554.66/53,517.81
  6. Step 6: Final answer
    x = 30,380.68

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1.5x scale

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.