Home / 43,458.83-59,974.04-28,361.15

Finding the Fourth Proportional to 43,458.83, 59,974.04 and 28,361.15

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Solution

The fourth proportional to 43,458.83, 59,974.04 and 28,361.15 is: 39,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.83 : 59,974.04 = 28,361.15 : x
  2. Step 2: Convert to fraction form
    43,458.83/59,974.04 = 28,361.15/x
  3. Step 3: Cross multiply
    43,458.83x = 59,974.04 × 28,361.15
  4. Step 4: Simplify right side
    43,458.83x = 1,700,932,744.55
  5. Step 5: Solve for x
    x = 1,700,932,744.55/43,458.83
  6. Step 6: Final answer
    x = 39,138.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.