Home / 33,643.71-46,405.62-20,889.27

Finding the Fourth Proportional to 33,643.71, 46,405.62 and 20,889.27

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Solution

The fourth proportional to 33,643.71, 46,405.62 and 20,889.27 is: 28,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643.71 : 46,405.62 = 20,889.27 : x
  2. Step 2: Convert to fraction form
    33,643.71/46,405.62 = 20,889.27/x
  3. Step 3: Cross multiply
    33,643.71x = 46,405.62 × 20,889.27
  4. Step 4: Simplify right side
    33,643.71x = 969,379,525.70
  5. Step 5: Solve for x
    x = 969,379,525.70/33,643.71
  6. Step 6: Final answer
    x = 28,813.10

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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.