Home / 37,064.57-51,136.43-21,137.54

Finding the Fourth Proportional to 37,064.57, 51,136.43 and 21,137.54

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Solution

The fourth proportional to 37,064.57, 51,136.43 and 21,137.54 is: 29,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,064.57 : 51,136.43 = 21,137.54 : x
  2. Step 2: Convert to fraction form
    37,064.57/51,136.43 = 21,137.54/x
  3. Step 3: Cross multiply
    37,064.57x = 51,136.43 × 21,137.54
  4. Step 4: Simplify right side
    37,064.57x = 1,080,897,973.21
  5. Step 5: Solve for x
    x = 1,080,897,973.21/37,064.57
  6. Step 6: Final answer
    x = 29,162.57

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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.