Home / 47,620.88-71,445.60-14,342.04

Finding the Fourth Proportional to 47,620.88, 71,445.60 and 14,342.04

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Solution

The fourth proportional to 47,620.88, 71,445.60 and 14,342.04 is: 21,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,620.88 : 71,445.60 = 14,342.04 : x
  2. Step 2: Convert to fraction form
    47,620.88/71,445.60 = 14,342.04/x
  3. Step 3: Cross multiply
    47,620.88x = 71,445.60 × 14,342.04
  4. Step 4: Simplify right side
    47,620.88x = 1,024,675,653.02
  5. Step 5: Solve for x
    x = 1,024,675,653.02/47,620.88
  6. Step 6: Final answer
    x = 21,517.36

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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.