Home / 30,090.23-41,524.56-16,478.21

Finding the Fourth Proportional to 30,090.23, 41,524.56 and 16,478.21

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Solution

The fourth proportional to 30,090.23, 41,524.56 and 16,478.21 is: 22,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.23 : 41,524.56 = 16,478.21 : x
  2. Step 2: Convert to fraction form
    30,090.23/41,524.56 = 16,478.21/x
  3. Step 3: Cross multiply
    30,090.23x = 41,524.56 × 16,478.21
  4. Step 4: Simplify right side
    30,090.23x = 684,250,419.84
  5. Step 5: Solve for x
    x = 684,250,419.84/30,090.23
  6. Step 6: Final answer
    x = 22,739.95

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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.