Home / 37,205.76-51,343.68-21,289.44

Finding the Fourth Proportional to 37,205.76, 51,343.68 and 21,289.44

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Solution

The fourth proportional to 37,205.76, 51,343.68 and 21,289.44 is: 29,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,205.76 : 51,343.68 = 21,289.44 : x
  2. Step 2: Convert to fraction form
    37,205.76/51,343.68 = 21,289.44/x
  3. Step 3: Cross multiply
    37,205.76x = 51,343.68 × 21,289.44
  4. Step 4: Simplify right side
    37,205.76x = 1,093,078,194.74
  5. Step 5: Solve for x
    x = 1,093,078,194.74/37,205.76
  6. Step 6: Final answer
    x = 29,379.27

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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.