Home / 33,777.18-46,612.80-18,669.60

Finding the Fourth Proportional to 33,777.18, 46,612.80 and 18,669.60

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Solution

The fourth proportional to 33,777.18, 46,612.80 and 18,669.60 is: 25,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,777.18 : 46,612.80 = 18,669.60 : x
  2. Step 2: Convert to fraction form
    33,777.18/46,612.80 = 18,669.60/x
  3. Step 3: Cross multiply
    33,777.18x = 46,612.80 × 18,669.60
  4. Step 4: Simplify right side
    33,777.18x = 870,242,330.88
  5. Step 5: Solve for x
    x = 870,242,330.88/33,777.18
  6. Step 6: Final answer
    x = 25,764.21

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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.