Home / 33,865.90-46,735.31-18,758.79

Finding the Fourth Proportional to 33,865.90, 46,735.31 and 18,758.79

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Solution

The fourth proportional to 33,865.90, 46,735.31 and 18,758.79 is: 25,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,865.90 : 46,735.31 = 18,758.79 : x
  2. Step 2: Convert to fraction form
    33,865.90/46,735.31 = 18,758.79/x
  3. Step 3: Cross multiply
    33,865.90x = 46,735.31 × 18,758.79
  4. Step 4: Simplify right side
    33,865.90x = 876,697,912.77
  5. Step 5: Solve for x
    x = 876,697,912.77/33,865.90
  6. Step 6: Final answer
    x = 25,887.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.