Home / 33,023.55-45,561.72-18,681.99

Finding the Fourth Proportional to 33,023.55, 45,561.72 and 18,681.99

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Solution

The fourth proportional to 33,023.55, 45,561.72 and 18,681.99 is: 25,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,023.55 : 45,561.72 = 18,681.99 : x
  2. Step 2: Convert to fraction form
    33,023.55/45,561.72 = 18,681.99/x
  3. Step 3: Cross multiply
    33,023.55x = 45,561.72 × 18,681.99
  4. Step 4: Simplify right side
    33,023.55x = 851,183,597.42
  5. Step 5: Solve for x
    x = 851,183,597.42/33,023.55
  6. Step 6: Final answer
    x = 25,775.05

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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.