Home / 30,191.60-45,305.82-19,082.99

Finding the Fourth Proportional to 30,191.60, 45,305.82 and 19,082.99

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Solution

The fourth proportional to 30,191.60, 45,305.82 and 19,082.99 is: 28,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.60 : 45,305.82 = 19,082.99 : x
  2. Step 2: Convert to fraction form
    30,191.60/45,305.82 = 19,082.99/x
  3. Step 3: Cross multiply
    30,191.60x = 45,305.82 × 19,082.99
  4. Step 4: Simplify right side
    30,191.60x = 864,570,510.00
  5. Step 5: Solve for x
    x = 864,570,510.00/30,191.60
  6. Step 6: Final answer
    x = 28,636.13

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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.