Home / 20,480.43-30,701.82-10,599.45

Finding the Fourth Proportional to 20,480.43, 30,701.82 and 10,599.45

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Solution

The fourth proportional to 20,480.43, 30,701.82 and 10,599.45 is: 15,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,480.43 : 30,701.82 = 10,599.45 : x
  2. Step 2: Convert to fraction form
    20,480.43/30,701.82 = 10,599.45/x
  3. Step 3: Cross multiply
    20,480.43x = 30,701.82 × 10,599.45
  4. Step 4: Simplify right side
    20,480.43x = 325,422,406.00
  5. Step 5: Solve for x
    x = 325,422,406.00/20,480.43
  6. Step 6: Final answer
    x = 15,889.43

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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.