Home / 31,148.38-46,730.46-8,961.28

Finding the Fourth Proportional to 31,148.38, 46,730.46 and 8,961.28

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Solution

The fourth proportional to 31,148.38, 46,730.46 and 8,961.28 is: 13,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.38 : 46,730.46 = 8,961.28 : x
  2. Step 2: Convert to fraction form
    31,148.38/46,730.46 = 8,961.28/x
  3. Step 3: Cross multiply
    31,148.38x = 46,730.46 × 8,961.28
  4. Step 4: Simplify right side
    31,148.38x = 418,764,736.59
  5. Step 5: Solve for x
    x = 418,764,736.59/31,148.38
  6. Step 6: Final answer
    x = 13,444.19

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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.