Home / 47,712.40-71,568.60-43,910.80

Finding the Fourth Proportional to 47,712.40, 71,568.60 and 43,910.80

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Solution

The fourth proportional to 47,712.40, 71,568.60 and 43,910.80 is: 65,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.40 : 71,568.60 = 43,910.80 : x
  2. Step 2: Convert to fraction form
    47,712.40/71,568.60 = 43,910.80/x
  3. Step 3: Cross multiply
    47,712.40x = 71,568.60 × 43,910.80
  4. Step 4: Simplify right side
    47,712.40x = 3,142,634,480.88
  5. Step 5: Solve for x
    x = 3,142,634,480.88/47,712.40
  6. Step 6: Final answer
    x = 65,866.20

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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.