Home / 43,768.80-65,732.40-38,325.60

Finding the Fourth Proportional to 43,768.80, 65,732.40 and 38,325.60

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Solution

The fourth proportional to 43,768.80, 65,732.40 and 38,325.60 is: 57,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.80 : 65,732.40 = 38,325.60 : x
  2. Step 2: Convert to fraction form
    43,768.80/65,732.40 = 38,325.60/x
  3. Step 3: Cross multiply
    43,768.80x = 65,732.40 × 38,325.60
  4. Step 4: Simplify right side
    43,768.80x = 2,519,233,669.44
  5. Step 5: Solve for x
    x = 2,519,233,669.44/43,768.80
  6. Step 6: Final answer
    x = 57,557.75

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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.