Home / 61,000.38-91,506.58-21,022.56

Finding the Fourth Proportional to 61,000.38, 91,506.58 and 21,022.56

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Solution

The fourth proportional to 61,000.38, 91,506.58 and 21,022.56 is: 31,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,000.38 : 91,506.58 = 21,022.56 : x
  2. Step 2: Convert to fraction form
    61,000.38/91,506.58 = 21,022.56/x
  3. Step 3: Cross multiply
    61,000.38x = 91,506.58 × 21,022.56
  4. Step 4: Simplify right side
    61,000.38x = 1,923,702,568.44
  5. Step 5: Solve for x
    x = 1,923,702,568.44/61,000.38
  6. Step 6: Final answer
    x = 31,535.91

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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.