Home / 37,206.45-51,344.01-21,289.88

Finding the Fourth Proportional to 37,206.45, 51,344.01 and 21,289.88

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Solution

The fourth proportional to 37,206.45, 51,344.01 and 21,289.88 is: 29,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,206.45 : 51,344.01 = 21,289.88 : x
  2. Step 2: Convert to fraction form
    37,206.45/51,344.01 = 21,289.88/x
  3. Step 3: Cross multiply
    37,206.45x = 51,344.01 × 21,289.88
  4. Step 4: Simplify right side
    37,206.45x = 1,093,107,939.98
  5. Step 5: Solve for x
    x = 1,093,107,939.98/37,206.45
  6. Step 6: Final answer
    x = 29,379.53

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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.