Home / 33,151.68-45,783.36-28,408.32

Finding the Fourth Proportional to 33,151.68, 45,783.36 and 28,408.32

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Solution

The fourth proportional to 33,151.68, 45,783.36 and 28,408.32 is: 39,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,151.68 : 45,783.36 = 28,408.32 : x
  2. Step 2: Convert to fraction form
    33,151.68/45,783.36 = 28,408.32/x
  3. Step 3: Cross multiply
    33,151.68x = 45,783.36 × 28,408.32
  4. Step 4: Simplify right side
    33,151.68x = 1,300,628,341.56
  5. Step 5: Solve for x
    x = 1,300,628,341.56/33,151.68
  6. Step 6: Final answer
    x = 39,232.65

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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.