Home / 69,307.38-103,874.94-31,827.69

Finding the Fourth Proportional to 69,307.38, 103,874.94 and 31,827.69

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Solution

The fourth proportional to 69,307.38, 103,874.94 and 31,827.69 is: 47,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.38 : 103,874.94 = 31,827.69 : x
  2. Step 2: Convert to fraction form
    69,307.38/103,874.94 = 31,827.69/x
  3. Step 3: Cross multiply
    69,307.38x = 103,874.94 × 31,827.69
  4. Step 4: Simplify right side
    69,307.38x = 3,306,099,389.09
  5. Step 5: Solve for x
    x = 3,306,099,389.09/69,307.38
  6. Step 6: Final answer
    x = 47,701.98

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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.