Home / 30,003.10-45,004.65-9,226.60

Finding the Fourth Proportional to 30,003.10, 45,004.65 and 9,226.60

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Solution

The fourth proportional to 30,003.10, 45,004.65 and 9,226.60 is: 13,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.10 : 45,004.65 = 9,226.60 : x
  2. Step 2: Convert to fraction form
    30,003.10/45,004.65 = 9,226.60/x
  3. Step 3: Cross multiply
    30,003.10x = 45,004.65 × 9,226.60
  4. Step 4: Simplify right side
    30,003.10x = 415,239,903.69
  5. Step 5: Solve for x
    x = 415,239,903.69/30,003.10
  6. Step 6: Final answer
    x = 13,839.90

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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.