Home / 31,096.94-46,631.68-8,905.28

Finding the Fourth Proportional to 31,096.94, 46,631.68 and 8,905.28

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Solution

The fourth proportional to 31,096.94, 46,631.68 and 8,905.28 is: 13,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,096.94 : 46,631.68 = 8,905.28 : x
  2. Step 2: Convert to fraction form
    31,096.94/46,631.68 = 8,905.28/x
  3. Step 3: Cross multiply
    31,096.94x = 46,631.68 × 8,905.28
  4. Step 4: Simplify right side
    31,096.94x = 415,268,167.27
  5. Step 5: Solve for x
    x = 415,268,167.27/31,096.94
  6. Step 6: Final answer
    x = 13,353.99

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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.