Home / 33,840.90-46,684.80-21,908.10

Finding the Fourth Proportional to 33,840.90, 46,684.80 and 21,908.10

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Solution

The fourth proportional to 33,840.90, 46,684.80 and 21,908.10 is: 30,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,840.90 : 46,684.80 = 21,908.10 : x
  2. Step 2: Convert to fraction form
    33,840.90/46,684.80 = 21,908.10/x
  3. Step 3: Cross multiply
    33,840.90x = 46,684.80 × 21,908.10
  4. Step 4: Simplify right side
    33,840.90x = 1,022,775,266.88
  5. Step 5: Solve for x
    x = 1,022,775,266.88/33,840.90
  6. Step 6: Final answer
    x = 30,223.05

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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.