Home / 30,173.66-45,250.24-10,447.60

Finding the Fourth Proportional to 30,173.66, 45,250.24 and 10,447.60

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Solution

The fourth proportional to 30,173.66, 45,250.24 and 10,447.60 is: 15,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.66 : 45,250.24 = 10,447.60 : x
  2. Step 2: Convert to fraction form
    30,173.66/45,250.24 = 10,447.60/x
  3. Step 3: Cross multiply
    30,173.66x = 45,250.24 × 10,447.60
  4. Step 4: Simplify right side
    30,173.66x = 472,756,355.19
  5. Step 5: Solve for x
    x = 472,756,355.19/30,173.66
  6. Step 6: Final answer
    x = 15,667.85

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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.