Home / 20,858.94-31,288.42-5,063.99

Finding the Fourth Proportional to 20,858.94, 31,288.42 and 5,063.99

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Solution

The fourth proportional to 20,858.94, 31,288.42 and 5,063.99 is: 7,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.94 : 31,288.42 = 5,063.99 : x
  2. Step 2: Convert to fraction form
    20,858.94/31,288.42 = 5,063.99/x
  3. Step 3: Cross multiply
    20,858.94x = 31,288.42 × 5,063.99
  4. Step 4: Simplify right side
    20,858.94x = 158,444,246.00
  5. Step 5: Solve for x
    x = 158,444,246.00/20,858.94
  6. Step 6: Final answer
    x = 7,595.99

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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.