Home / 30,591.16-45,884.87-18,190.11

Finding the Fourth Proportional to 30,591.16, 45,884.87 and 18,190.11

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Solution

The fourth proportional to 30,591.16, 45,884.87 and 18,190.11 is: 27,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.16 : 45,884.87 = 18,190.11 : x
  2. Step 2: Convert to fraction form
    30,591.16/45,884.87 = 18,190.11/x
  3. Step 3: Cross multiply
    30,591.16x = 45,884.87 × 18,190.11
  4. Step 4: Simplify right side
    30,591.16x = 834,650,633.76
  5. Step 5: Solve for x
    x = 834,650,633.76/30,591.16
  6. Step 6: Final answer
    x = 27,284.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.