Home / 29,090.95-40,145.42-16,993.80

Finding the Fourth Proportional to 29,090.95, 40,145.42 and 16,993.80

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Solution

The fourth proportional to 29,090.95, 40,145.42 and 16,993.80 is: 23,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.95 : 40,145.42 = 16,993.80 : x
  2. Step 2: Convert to fraction form
    29,090.95/40,145.42 = 16,993.80/x
  3. Step 3: Cross multiply
    29,090.95x = 40,145.42 × 16,993.80
  4. Step 4: Simplify right side
    29,090.95x = 682,223,280.88
  5. Step 5: Solve for x
    x = 682,223,280.88/29,090.95
  6. Step 6: Final answer
    x = 23,451.39

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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.