Home / 30,049.03-45,074.69-8,989.37

Finding the Fourth Proportional to 30,049.03, 45,074.69 and 8,989.37

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Solution

The fourth proportional to 30,049.03, 45,074.69 and 8,989.37 is: 13,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.03 : 45,074.69 = 8,989.37 : x
  2. Step 2: Convert to fraction form
    30,049.03/45,074.69 = 8,989.37/x
  3. Step 3: Cross multiply
    30,049.03x = 45,074.69 × 8,989.37
  4. Step 4: Simplify right side
    30,049.03x = 405,193,066.05
  5. Step 5: Solve for x
    x = 405,193,066.05/30,049.03
  6. Step 6: Final answer
    x = 13,484.40

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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.