Home / 31,236.86-46,845.48-10,455.50

Finding the Fourth Proportional to 31,236.86, 46,845.48 and 10,455.50

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Solution

The fourth proportional to 31,236.86, 46,845.48 and 10,455.50 is: 15,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.86 : 46,845.48 = 10,455.50 : x
  2. Step 2: Convert to fraction form
    31,236.86/46,845.48 = 10,455.50/x
  3. Step 3: Cross multiply
    31,236.86x = 46,845.48 × 10,455.50
  4. Step 4: Simplify right side
    31,236.86x = 489,792,916.14
  5. Step 5: Solve for x
    x = 489,792,916.14/31,236.86
  6. Step 6: Final answer
    x = 15,679.97

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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.