Home / 30,346.45-45,453.35-25,021.64

Finding the Fourth Proportional to 30,346.45, 45,453.35 and 25,021.64

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Solution

The fourth proportional to 30,346.45, 45,453.35 and 25,021.64 is: 37,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.45 : 45,453.35 = 25,021.64 : x
  2. Step 2: Convert to fraction form
    30,346.45/45,453.35 = 25,021.64/x
  3. Step 3: Cross multiply
    30,346.45x = 45,453.35 × 25,021.64
  4. Step 4: Simplify right side
    30,346.45x = 1,137,317,536.68
  5. Step 5: Solve for x
    x = 1,137,317,536.68/30,346.45
  6. Step 6: Final answer
    x = 37,477.78

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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.