Home / 53,896.14-80,812.83-20,618.49

Finding the Fourth Proportional to 53,896.14, 80,812.83 and 20,618.49

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Solution

The fourth proportional to 53,896.14, 80,812.83 and 20,618.49 is: 30,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.14 : 80,812.83 = 20,618.49 : x
  2. Step 2: Convert to fraction form
    53,896.14/80,812.83 = 20,618.49/x
  3. Step 3: Cross multiply
    53,896.14x = 80,812.83 × 20,618.49
  4. Step 4: Simplify right side
    53,896.14x = 1,666,238,527.23
  5. Step 5: Solve for x
    x = 1,666,238,527.23/53,896.14
  6. Step 6: Final answer
    x = 30,915.73

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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.