Home / 45,049.68-67,573.61-13,459.84

Finding the Fourth Proportional to 45,049.68, 67,573.61 and 13,459.84

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Solution

The fourth proportional to 45,049.68, 67,573.61 and 13,459.84 is: 20,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,049.68 : 67,573.61 = 13,459.84 : x
  2. Step 2: Convert to fraction form
    45,049.68/67,573.61 = 13,459.84/x
  3. Step 3: Cross multiply
    45,049.68x = 67,573.61 × 13,459.84
  4. Step 4: Simplify right side
    45,049.68x = 909,529,793.06
  5. Step 5: Solve for x
    x = 909,529,793.06/45,049.68
  6. Step 6: Final answer
    x = 20,189.48

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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.