Home / 53,914.62-80,896.98-20,623.68

Finding the Fourth Proportional to 53,914.62, 80,896.98 and 20,623.68

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Solution

The fourth proportional to 53,914.62, 80,896.98 and 20,623.68 is: 30,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,914.62 : 80,896.98 = 20,623.68 : x
  2. Step 2: Convert to fraction form
    53,914.62/80,896.98 = 20,623.68/x
  3. Step 3: Cross multiply
    53,914.62x = 80,896.98 × 20,623.68
  4. Step 4: Simplify right side
    53,914.62x = 1,668,393,428.49
  5. Step 5: Solve for x
    x = 1,668,393,428.49/53,914.62
  6. Step 6: Final answer
    x = 30,945.10

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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.