Home / 30,471.33-45,713.82-10,750.05

Finding the Fourth Proportional to 30,471.33, 45,713.82 and 10,750.05

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Solution

The fourth proportional to 30,471.33, 45,713.82 and 10,750.05 is: 16,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.33 : 45,713.82 = 10,750.05 : x
  2. Step 2: Convert to fraction form
    30,471.33/45,713.82 = 10,750.05/x
  3. Step 3: Cross multiply
    30,471.33x = 45,713.82 × 10,750.05
  4. Step 4: Simplify right side
    30,471.33x = 491,425,850.69
  5. Step 5: Solve for x
    x = 491,425,850.69/30,471.33
  6. Step 6: Final answer
    x = 16,127.48

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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.