Home / 55,242.11-82,912.50-38,615.42

Finding the Fourth Proportional to 55,242.11, 82,912.50 and 38,615.42

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Solution

The fourth proportional to 55,242.11, 82,912.50 and 38,615.42 is: 57,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.11 : 82,912.50 = 38,615.42 : x
  2. Step 2: Convert to fraction form
    55,242.11/82,912.50 = 38,615.42/x
  3. Step 3: Cross multiply
    55,242.11x = 82,912.50 × 38,615.42
  4. Step 4: Simplify right side
    55,242.11x = 3,201,700,596.19
  5. Step 5: Solve for x
    x = 3,201,700,596.19/55,242.11
  6. Step 6: Final answer
    x = 57,957.61

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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.