Home / 47,993.64-66,188.16-30,090.60

Finding the Fourth Proportional to 47,993.64, 66,188.16 and 30,090.60

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Solution

The fourth proportional to 47,993.64, 66,188.16 and 30,090.60 is: 41,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,993.64 : 66,188.16 = 30,090.60 : x
  2. Step 2: Convert to fraction form
    47,993.64/66,188.16 = 30,090.60/x
  3. Step 3: Cross multiply
    47,993.64x = 66,188.16 × 30,090.60
  4. Step 4: Simplify right side
    47,993.64x = 1,991,641,447.30
  5. Step 5: Solve for x
    x = 1,991,641,447.30/47,993.64
  6. Step 6: Final answer
    x = 41,498.03

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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.