Home / 33,172.40-45,777.84-18,064.80

Finding the Fourth Proportional to 33,172.40, 45,777.84 and 18,064.80

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Solution

The fourth proportional to 33,172.40, 45,777.84 and 18,064.80 is: 24,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.40 : 45,777.84 = 18,064.80 : x
  2. Step 2: Convert to fraction form
    33,172.40/45,777.84 = 18,064.80/x
  3. Step 3: Cross multiply
    33,172.40x = 45,777.84 × 18,064.80
  4. Step 4: Simplify right side
    33,172.40x = 826,967,524.03
  5. Step 5: Solve for x
    x = 826,967,524.03/33,172.40
  6. Step 6: Final answer
    x = 24,929.38

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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.