Home / 43,361.04-65,012.32-19,974.72

Finding the Fourth Proportional to 43,361.04, 65,012.32 and 19,974.72

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Solution

The fourth proportional to 43,361.04, 65,012.32 and 19,974.72 is: 29,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,361.04 : 65,012.32 = 19,974.72 : x
  2. Step 2: Convert to fraction form
    43,361.04/65,012.32 = 19,974.72/x
  3. Step 3: Cross multiply
    43,361.04x = 65,012.32 × 19,974.72
  4. Step 4: Simplify right side
    43,361.04x = 1,298,602,888.55
  5. Step 5: Solve for x
    x = 1,298,602,888.55/43,361.04
  6. Step 6: Final answer
    x = 29,948.61

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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.