Home / 31,015.50-46,516.26-8,828.38

Finding the Fourth Proportional to 31,015.50, 46,516.26 and 8,828.38

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Solution

The fourth proportional to 31,015.50, 46,516.26 and 8,828.38 is: 13,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.50 : 46,516.26 = 8,828.38 : x
  2. Step 2: Convert to fraction form
    31,015.50/46,516.26 = 8,828.38/x
  3. Step 3: Cross multiply
    31,015.50x = 46,516.26 × 8,828.38
  4. Step 4: Simplify right side
    31,015.50x = 410,663,175.32
  5. Step 5: Solve for x
    x = 410,663,175.32/31,015.50
  6. Step 6: Final answer
    x = 13,240.58

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1.5x scale

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.