Home / 47,990.26-71,880.09-39,575.44

Finding the Fourth Proportional to 47,990.26, 71,880.09 and 39,575.44

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Solution

The fourth proportional to 47,990.26, 71,880.09 and 39,575.44 is: 59,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.26 : 71,880.09 = 39,575.44 : x
  2. Step 2: Convert to fraction form
    47,990.26/71,880.09 = 39,575.44/x
  3. Step 3: Cross multiply
    47,990.26x = 71,880.09 × 39,575.44
  4. Step 4: Simplify right side
    47,990.26x = 2,844,686,188.99
  5. Step 5: Solve for x
    x = 2,844,686,188.99/47,990.26
  6. Step 6: Final answer
    x = 59,276.32

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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.