Home / 33,629.49-46,409.93-20,889.69

Finding the Fourth Proportional to 33,629.49, 46,409.93 and 20,889.69

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Solution

The fourth proportional to 33,629.49, 46,409.93 and 20,889.69 is: 28,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,629.49 : 46,409.93 = 20,889.69 : x
  2. Step 2: Convert to fraction form
    33,629.49/46,409.93 = 20,889.69/x
  3. Step 3: Cross multiply
    33,629.49x = 46,409.93 × 20,889.69
  4. Step 4: Simplify right side
    33,629.49x = 969,488,946.17
  5. Step 5: Solve for x
    x = 969,488,946.17/33,629.49
  6. Step 6: Final answer
    x = 28,828.54

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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.