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Finding the Fourth Proportional to 37,515, 51,775.56 and 21,596.88

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Solution

The fourth proportional to 37,515, 51,775.56 and 21,596.88 is: 29,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,515 : 51,775.56 = 21,596.88 : x
  2. Step 2: Convert to fraction form
    37,515/51,775.56 = 21,596.88/x
  3. Step 3: Cross multiply
    37,515x = 51,775.56 × 21,596.88
  4. Step 4: Simplify right side
    37,515x = 1,118,190,556.25
  5. Step 5: Solve for x
    x = 1,118,190,556.25/37,515
  6. Step 6: Final answer
    x = 29,806.49

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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.