Home / 34,913.40-52,304.10-20,639.22

Finding the Fourth Proportional to 34,913.40, 52,304.10 and 20,639.22

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Solution

The fourth proportional to 34,913.40, 52,304.10 and 20,639.22 is: 30,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,913.40 : 52,304.10 = 20,639.22 : x
  2. Step 2: Convert to fraction form
    34,913.40/52,304.10 = 20,639.22/x
  3. Step 3: Cross multiply
    34,913.40x = 52,304.10 × 20,639.22
  4. Step 4: Simplify right side
    34,913.40x = 1,079,515,826.80
  5. Step 5: Solve for x
    x = 1,079,515,826.80/34,913.40
  6. Step 6: Final answer
    x = 30,919.81

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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.