Home / 37,618.21-51,912.75-20,623.39

Finding the Fourth Proportional to 37,618.21, 51,912.75 and 20,623.39

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Solution

The fourth proportional to 37,618.21, 51,912.75 and 20,623.39 is: 28,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.21 : 51,912.75 = 20,623.39 : x
  2. Step 2: Convert to fraction form
    37,618.21/51,912.75 = 20,623.39/x
  3. Step 3: Cross multiply
    37,618.21x = 51,912.75 × 20,623.39
  4. Step 4: Simplify right side
    37,618.21x = 1,070,616,889.22
  5. Step 5: Solve for x
    x = 1,070,616,889.22/37,618.21
  6. Step 6: Final answer
    x = 28,460.07

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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.