Home / 47,409.64-71,114.43-14,128.85

Finding the Fourth Proportional to 47,409.64, 71,114.43 and 14,128.85

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Solution

The fourth proportional to 47,409.64, 71,114.43 and 14,128.85 is: 21,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.64 : 71,114.43 = 14,128.85 : x
  2. Step 2: Convert to fraction form
    47,409.64/71,114.43 = 14,128.85/x
  3. Step 3: Cross multiply
    47,409.64x = 71,114.43 × 14,128.85
  4. Step 4: Simplify right side
    47,409.64x = 1,004,765,114.31
  5. Step 5: Solve for x
    x = 1,004,765,114.31/47,409.64
  6. Step 6: Final answer
    x = 21,193.27

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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.