Home / 46,918.91-70,378.82-11,858.57

Finding the Fourth Proportional to 46,918.91, 70,378.82 and 11,858.57

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Solution

The fourth proportional to 46,918.91, 70,378.82 and 11,858.57 is: 17,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,918.91 : 70,378.82 = 11,858.57 : x
  2. Step 2: Convert to fraction form
    46,918.91/70,378.82 = 11,858.57/x
  3. Step 3: Cross multiply
    46,918.91x = 70,378.82 × 11,858.57
  4. Step 4: Simplify right side
    46,918.91x = 834,592,163.49
  5. Step 5: Solve for x
    x = 834,592,163.49/46,918.91
  6. Step 6: Final answer
    x = 17,787.97

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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.