Home / 47,818.13-71,696.43-18,219.80

Finding the Fourth Proportional to 47,818.13, 71,696.43 and 18,219.80

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Solution

The fourth proportional to 47,818.13, 71,696.43 and 18,219.80 is: 27,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,818.13 : 71,696.43 = 18,219.80 : x
  2. Step 2: Convert to fraction form
    47,818.13/71,696.43 = 18,219.80/x
  3. Step 3: Cross multiply
    47,818.13x = 71,696.43 × 18,219.80
  4. Step 4: Simplify right side
    47,818.13x = 1,306,294,794.56
  5. Step 5: Solve for x
    x = 1,306,294,794.56/47,818.13
  6. Step 6: Final answer
    x = 27,317.98

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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.