Home / 33,933.60-46,840.80-20,505.36

Finding the Fourth Proportional to 33,933.60, 46,840.80 and 20,505.36

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Solution

The fourth proportional to 33,933.60, 46,840.80 and 20,505.36 is: 28,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,933.60 : 46,840.80 = 20,505.36 : x
  2. Step 2: Convert to fraction form
    33,933.60/46,840.80 = 20,505.36/x
  3. Step 3: Cross multiply
    33,933.60x = 46,840.80 × 20,505.36
  4. Step 4: Simplify right side
    33,933.60x = 960,487,466.69
  5. Step 5: Solve for x
    x = 960,487,466.69/33,933.60
  6. Step 6: Final answer
    x = 28,304.91

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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.