Home / 33,705.80-46,530.84-20,963.09

Finding the Fourth Proportional to 33,705.80, 46,530.84 and 20,963.09

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Solution

The fourth proportional to 33,705.80, 46,530.84 and 20,963.09 is: 28,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,705.80 : 46,530.84 = 20,963.09 : x
  2. Step 2: Convert to fraction form
    33,705.80/46,530.84 = 20,963.09/x
  3. Step 3: Cross multiply
    33,705.80x = 46,530.84 × 20,963.09
  4. Step 4: Simplify right side
    33,705.80x = 975,430,026.55
  5. Step 5: Solve for x
    x = 975,430,026.55/33,705.80
  6. Step 6: Final answer
    x = 28,939.53

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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.