Home / 31,110.51-46,665.80-7,736.95

Finding the Fourth Proportional to 31,110.51, 46,665.80 and 7,736.95

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Solution

The fourth proportional to 31,110.51, 46,665.80 and 7,736.95 is: 11,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.51 : 46,665.80 = 7,736.95 : x
  2. Step 2: Convert to fraction form
    31,110.51/46,665.80 = 7,736.95/x
  3. Step 3: Cross multiply
    31,110.51x = 46,665.80 × 7,736.95
  4. Step 4: Simplify right side
    31,110.51x = 361,050,961.31
  5. Step 5: Solve for x
    x = 361,050,961.31/31,110.51
  6. Step 6: Final answer
    x = 11,605.43

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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.