Home / 31,255.94-46,869.33-18,112.07

Finding the Fourth Proportional to 31,255.94, 46,869.33 and 18,112.07

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Solution

The fourth proportional to 31,255.94, 46,869.33 and 18,112.07 is: 27,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.94 : 46,869.33 = 18,112.07 : x
  2. Step 2: Convert to fraction form
    31,255.94/46,869.33 = 18,112.07/x
  3. Step 3: Cross multiply
    31,255.94x = 46,869.33 × 18,112.07
  4. Step 4: Simplify right side
    31,255.94x = 848,900,585.81
  5. Step 5: Solve for x
    x = 848,900,585.81/31,255.94
  6. Step 6: Final answer
    x = 27,159.66

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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.