Home / 20,708.99-31,072.63-16,069.31

Finding the Fourth Proportional to 20,708.99, 31,072.63 and 16,069.31

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Solution

The fourth proportional to 20,708.99, 31,072.63 and 16,069.31 is: 24,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.99 : 31,072.63 = 16,069.31 : x
  2. Step 2: Convert to fraction form
    20,708.99/31,072.63 = 16,069.31/x
  3. Step 3: Cross multiply
    20,708.99x = 31,072.63 × 16,069.31
  4. Step 4: Simplify right side
    20,708.99x = 499,315,723.99
  5. Step 5: Solve for x
    x = 499,315,723.99/20,708.99
  6. Step 6: Final answer
    x = 24,111.06

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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.