Home / 43,969.10-65,948.78-12,804.36

Finding the Fourth Proportional to 43,969.10, 65,948.78 and 12,804.36

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Solution

The fourth proportional to 43,969.10, 65,948.78 and 12,804.36 is: 19,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,969.10 : 65,948.78 = 12,804.36 : x
  2. Step 2: Convert to fraction form
    43,969.10/65,948.78 = 12,804.36/x
  3. Step 3: Cross multiply
    43,969.10x = 65,948.78 × 12,804.36
  4. Step 4: Simplify right side
    43,969.10x = 844,431,920.68
  5. Step 5: Solve for x
    x = 844,431,920.68/43,969.10
  6. Step 6: Final answer
    x = 19,205.12

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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.