Home / 45,650.55-62,964.39-30,516.60

Finding the Fourth Proportional to 45,650.55, 62,964.39 and 30,516.60

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Solution

The fourth proportional to 45,650.55, 62,964.39 and 30,516.60 is: 42,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,650.55 : 62,964.39 = 30,516.60 : x
  2. Step 2: Convert to fraction form
    45,650.55/62,964.39 = 30,516.60/x
  3. Step 3: Cross multiply
    45,650.55x = 62,964.39 × 30,516.60
  4. Step 4: Simplify right side
    45,650.55x = 1,921,459,103.87
  5. Step 5: Solve for x
    x = 1,921,459,103.87/45,650.55
  6. Step 6: Final answer
    x = 42,090.60

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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.