Home / 47,022.45-70,488.30-15,840.69

Finding the Fourth Proportional to 47,022.45, 70,488.30 and 15,840.69

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Solution

The fourth proportional to 47,022.45, 70,488.30 and 15,840.69 is: 23,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,022.45 : 70,488.30 = 15,840.69 : x
  2. Step 2: Convert to fraction form
    47,022.45/70,488.30 = 15,840.69/x
  3. Step 3: Cross multiply
    47,022.45x = 70,488.30 × 15,840.69
  4. Step 4: Simplify right side
    47,022.45x = 1,116,583,308.93
  5. Step 5: Solve for x
    x = 1,116,583,308.93/47,022.45
  6. Step 6: Final answer
    x = 23,745.75

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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.