Home / 31,111.86-46,653.20-11,376.62

Finding the Fourth Proportional to 31,111.86, 46,653.20 and 11,376.62

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Solution

The fourth proportional to 31,111.86, 46,653.20 and 11,376.62 is: 17,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,111.86 : 46,653.20 = 11,376.62 : x
  2. Step 2: Convert to fraction form
    31,111.86/46,653.20 = 11,376.62/x
  3. Step 3: Cross multiply
    31,111.86x = 46,653.20 × 11,376.62
  4. Step 4: Simplify right side
    31,111.86x = 530,755,438.03
  5. Step 5: Solve for x
    x = 530,755,438.03/31,111.86
  6. Step 6: Final answer
    x = 17,059.59

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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.