Home / 47,710.49-71,565.74-18,121.33

Finding the Fourth Proportional to 47,710.49, 71,565.74 and 18,121.33

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Solution

The fourth proportional to 47,710.49, 71,565.74 and 18,121.33 is: 27,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,710.49 : 71,565.74 = 18,121.33 : x
  2. Step 2: Convert to fraction form
    47,710.49/71,565.74 = 18,121.33/x
  3. Step 3: Cross multiply
    47,710.49x = 71,565.74 × 18,121.33
  4. Step 4: Simplify right side
    47,710.49x = 1,296,865,942.80
  5. Step 5: Solve for x
    x = 1,296,865,942.80/47,710.49
  6. Step 6: Final answer
    x = 27,181.99

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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.