Home / 30,468.56-45,698.20-11,745.86

Finding the Fourth Proportional to 30,468.56, 45,698.20 and 11,745.86

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Solution

The fourth proportional to 30,468.56, 45,698.20 and 11,745.86 is: 17,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468.56 : 45,698.20 = 11,745.86 : x
  2. Step 2: Convert to fraction form
    30,468.56/45,698.20 = 11,745.86/x
  3. Step 3: Cross multiply
    30,468.56x = 45,698.20 × 11,745.86
  4. Step 4: Simplify right side
    30,468.56x = 536,764,644.77
  5. Step 5: Solve for x
    x = 536,764,644.77/30,468.56
  6. Step 6: Final answer
    x = 17,617.00

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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.