Home / 37,310.49-51,479.60-21,174.23

Finding the Fourth Proportional to 37,310.49, 51,479.60 and 21,174.23

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Solution

The fourth proportional to 37,310.49, 51,479.60 and 21,174.23 is: 29,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,310.49 : 51,479.60 = 21,174.23 : x
  2. Step 2: Convert to fraction form
    37,310.49/51,479.60 = 21,174.23/x
  3. Step 3: Cross multiply
    37,310.49x = 51,479.60 × 21,174.23
  4. Step 4: Simplify right side
    37,310.49x = 1,090,040,527.44
  5. Step 5: Solve for x
    x = 1,090,040,527.44/37,310.49
  6. Step 6: Final answer
    x = 29,215.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.