Home / 30,249.92-45,383.04-10,529.60

Finding the Fourth Proportional to 30,249.92, 45,383.04 and 10,529.60

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Solution

The fourth proportional to 30,249.92, 45,383.04 and 10,529.60 is: 15,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.92 : 45,383.04 = 10,529.60 : x
  2. Step 2: Convert to fraction form
    30,249.92/45,383.04 = 10,529.60/x
  3. Step 3: Cross multiply
    30,249.92x = 45,383.04 × 10,529.60
  4. Step 4: Simplify right side
    30,249.92x = 477,865,257.98
  5. Step 5: Solve for x
    x = 477,865,257.98/30,249.92
  6. Step 6: Final answer
    x = 15,797.24

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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.