Home / 30,232.08-41,720.64-16,804.80

Finding the Fourth Proportional to 30,232.08, 41,720.64 and 16,804.80

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Solution

The fourth proportional to 30,232.08, 41,720.64 and 16,804.80 is: 23,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.08 : 41,720.64 = 16,804.80 : x
  2. Step 2: Convert to fraction form
    30,232.08/41,720.64 = 16,804.80/x
  3. Step 3: Cross multiply
    30,232.08x = 41,720.64 × 16,804.80
  4. Step 4: Simplify right side
    30,232.08x = 701,107,011.07
  5. Step 5: Solve for x
    x = 701,107,011.07/30,232.08
  6. Step 6: Final answer
    x = 23,190.83

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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.