Home / 35,609.74-53,383.12-30,378.35

Finding the Fourth Proportional to 35,609.74, 53,383.12 and 30,378.35

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Solution

The fourth proportional to 35,609.74, 53,383.12 and 30,378.35 is: 45,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.74 : 53,383.12 = 30,378.35 : x
  2. Step 2: Convert to fraction form
    35,609.74/53,383.12 = 30,378.35/x
  3. Step 3: Cross multiply
    35,609.74x = 53,383.12 × 30,378.35
  4. Step 4: Simplify right side
    35,609.74x = 1,621,691,160.96
  5. Step 5: Solve for x
    x = 1,621,691,160.96/35,609.74
  6. Step 6: Final answer
    x = 45,540.67

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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.