Home / 47,830.16-71,745.78-14,550.50

Finding the Fourth Proportional to 47,830.16, 71,745.78 and 14,550.50

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Solution

The fourth proportional to 47,830.16, 71,745.78 and 14,550.50 is: 21,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,830.16 : 71,745.78 = 14,550.50 : x
  2. Step 2: Convert to fraction form
    47,830.16/71,745.78 = 14,550.50/x
  3. Step 3: Cross multiply
    47,830.16x = 71,745.78 × 14,550.50
  4. Step 4: Simplify right side
    47,830.16x = 1,043,936,971.89
  5. Step 5: Solve for x
    x = 1,043,936,971.89/47,830.16
  6. Step 6: Final answer
    x = 21,825.91

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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.