Home / 43,913.32-65,815.13-20,195.60

Finding the Fourth Proportional to 43,913.32, 65,815.13 and 20,195.60

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Solution

The fourth proportional to 43,913.32, 65,815.13 and 20,195.60 is: 30,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,913.32 : 65,815.13 = 20,195.60 : x
  2. Step 2: Convert to fraction form
    43,913.32/65,815.13 = 20,195.60/x
  3. Step 3: Cross multiply
    43,913.32x = 65,815.13 × 20,195.60
  4. Step 4: Simplify right side
    43,913.32x = 1,329,175,760.84
  5. Step 5: Solve for x
    x = 1,329,175,760.84/43,913.32
  6. Step 6: Final answer
    x = 30,268.17

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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.