Home / 30,300.41-45,471.39-10,578.96

Finding the Fourth Proportional to 30,300.41, 45,471.39 and 10,578.96

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Solution

The fourth proportional to 30,300.41, 45,471.39 and 10,578.96 is: 15,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.41 : 45,471.39 = 10,578.96 : x
  2. Step 2: Convert to fraction form
    30,300.41/45,471.39 = 10,578.96/x
  3. Step 3: Cross multiply
    30,300.41x = 45,471.39 × 10,578.96
  4. Step 4: Simplify right side
    30,300.41x = 481,040,015.95
  5. Step 5: Solve for x
    x = 481,040,015.95/30,300.41
  6. Step 6: Final answer
    x = 15,875.70

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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.