Home / 47,512.40-71,268.60-39,995.60

Finding the Fourth Proportional to 47,512.40, 71,268.60 and 39,995.60

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Solution

The fourth proportional to 47,512.40, 71,268.60 and 39,995.60 is: 59,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,512.40 : 71,268.60 = 39,995.60 : x
  2. Step 2: Convert to fraction form
    47,512.40/71,268.60 = 39,995.60/x
  3. Step 3: Cross multiply
    47,512.40x = 71,268.60 × 39,995.60
  4. Step 4: Simplify right side
    47,512.40x = 2,850,430,418.16
  5. Step 5: Solve for x
    x = 2,850,430,418.16/47,512.40
  6. Step 6: Final answer
    x = 59,993.40

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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.