Home / 47,847.18-71,743.42-14,557.40

Finding the Fourth Proportional to 47,847.18, 71,743.42 and 14,557.40

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Solution

The fourth proportional to 47,847.18, 71,743.42 and 14,557.40 is: 21,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847.18 : 71,743.42 = 14,557.40 : x
  2. Step 2: Convert to fraction form
    47,847.18/71,743.42 = 14,557.40/x
  3. Step 3: Cross multiply
    47,847.18x = 71,743.42 × 14,557.40
  4. Step 4: Simplify right side
    47,847.18x = 1,044,397,662.31
  5. Step 5: Solve for x
    x = 1,044,397,662.31/47,847.18
  6. Step 6: Final answer
    x = 21,827.78

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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.