Home / 53,949.24-80,948.88-20,658.24

Finding the Fourth Proportional to 53,949.24, 80,948.88 and 20,658.24

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Solution

The fourth proportional to 53,949.24, 80,948.88 and 20,658.24 is: 30,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,949.24 : 80,948.88 = 20,658.24 : x
  2. Step 2: Convert to fraction form
    53,949.24/80,948.88 = 20,658.24/x
  3. Step 3: Cross multiply
    53,949.24x = 80,948.88 × 20,658.24
  4. Step 4: Simplify right side
    53,949.24x = 1,672,261,390.77
  5. Step 5: Solve for x
    x = 1,672,261,390.77/53,949.24
  6. Step 6: Final answer
    x = 30,996.94

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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.