Home / 29,388.90-40,556.24-16,811.22

Finding the Fourth Proportional to 29,388.90, 40,556.24 and 16,811.22

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Solution

The fourth proportional to 29,388.90, 40,556.24 and 16,811.22 is: 23,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.90 : 40,556.24 = 16,811.22 : x
  2. Step 2: Convert to fraction form
    29,388.90/40,556.24 = 16,811.22/x
  3. Step 3: Cross multiply
    29,388.90x = 40,556.24 × 16,811.22
  4. Step 4: Simplify right side
    29,388.90x = 681,799,873.01
  5. Step 5: Solve for x
    x = 681,799,873.01/29,388.90
  6. Step 6: Final answer
    x = 23,199.23

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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.