Home / 53,597.75-80,377.79-21,998.66

Finding the Fourth Proportional to 53,597.75, 80,377.79 and 21,998.66

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Solution

The fourth proportional to 53,597.75, 80,377.79 and 21,998.66 is: 32,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,597.75 : 80,377.79 = 21,998.66 : x
  2. Step 2: Convert to fraction form
    53,597.75/80,377.79 = 21,998.66/x
  3. Step 3: Cross multiply
    53,597.75x = 80,377.79 × 21,998.66
  4. Step 4: Simplify right side
    53,597.75x = 1,768,203,161.88
  5. Step 5: Solve for x
    x = 1,768,203,161.88/53,597.75
  6. Step 6: Final answer
    x = 32,990.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.