Home / 47,941.89-71,916.17-14,659.40

Finding the Fourth Proportional to 47,941.89, 71,916.17 and 14,659.40

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Solution

The fourth proportional to 47,941.89, 71,916.17 and 14,659.40 is: 21,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.89 : 71,916.17 = 14,659.40 : x
  2. Step 2: Convert to fraction form
    47,941.89/71,916.17 = 14,659.40/x
  3. Step 3: Cross multiply
    47,941.89x = 71,916.17 × 14,659.40
  4. Step 4: Simplify right side
    47,941.89x = 1,054,247,469.62
  5. Step 5: Solve for x
    x = 1,054,247,469.62/47,941.89
  6. Step 6: Final answer
    x = 21,990.11

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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.