Home / 23,621.54-35,259.47-20,819.09

Finding the Fourth Proportional to 23,621.54, 35,259.47 and 20,819.09

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Solution

The fourth proportional to 23,621.54, 35,259.47 and 20,819.09 is: 31,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,621.54 : 35,259.47 = 20,819.09 : x
  2. Step 2: Convert to fraction form
    23,621.54/35,259.47 = 20,819.09/x
  3. Step 3: Cross multiply
    23,621.54x = 35,259.47 × 20,819.09
  4. Step 4: Simplify right side
    23,621.54x = 734,070,141.41
  5. Step 5: Solve for x
    x = 734,070,141.41/23,621.54
  6. Step 6: Final answer
    x = 31,076.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.