Home / 36,639.54-54,890.06-31,653.18

Finding the Fourth Proportional to 36,639.54, 54,890.06 and 31,653.18

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Solution

The fourth proportional to 36,639.54, 54,890.06 and 31,653.18 is: 47,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.54 : 54,890.06 = 31,653.18 : x
  2. Step 2: Convert to fraction form
    36,639.54/54,890.06 = 31,653.18/x
  3. Step 3: Cross multiply
    36,639.54x = 54,890.06 × 31,653.18
  4. Step 4: Simplify right side
    36,639.54x = 1,737,444,791.12
  5. Step 5: Solve for x
    x = 1,737,444,791.12/36,639.54
  6. Step 6: Final answer
    x = 47,419.94

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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.