Home / 47,913.26-71,880.82-14,638.05

Finding the Fourth Proportional to 47,913.26, 71,880.82 and 14,638.05

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Solution

The fourth proportional to 47,913.26, 71,880.82 and 14,638.05 is: 21,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,913.26 : 71,880.82 = 14,638.05 : x
  2. Step 2: Convert to fraction form
    47,913.26/71,880.82 = 14,638.05/x
  3. Step 3: Cross multiply
    47,913.26x = 71,880.82 × 14,638.05
  4. Step 4: Simplify right side
    47,913.26x = 1,052,195,000.61
  5. Step 5: Solve for x
    x = 1,052,195,000.61/47,913.26
  6. Step 6: Final answer
    x = 21,960.42

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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.