Home / 33,809.64-46,631.78-20,365.80

Finding the Fourth Proportional to 33,809.64, 46,631.78 and 20,365.80

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Solution

The fourth proportional to 33,809.64, 46,631.78 and 20,365.80 is: 28,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.64 : 46,631.78 = 20,365.80 : x
  2. Step 2: Convert to fraction form
    33,809.64/46,631.78 = 20,365.80/x
  3. Step 3: Cross multiply
    33,809.64x = 46,631.78 × 20,365.80
  4. Step 4: Simplify right side
    33,809.64x = 949,693,505.12
  5. Step 5: Solve for x
    x = 949,693,505.12/33,809.64
  6. Step 6: Final answer
    x = 28,089.43

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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.