Home / 47,515.20-71,224.20-27,783.60

Finding the Fourth Proportional to 47,515.20, 71,224.20 and 27,783.60

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Solution

The fourth proportional to 47,515.20, 71,224.20 and 27,783.60 is: 41,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.20 : 71,224.20 = 27,783.60 : x
  2. Step 2: Convert to fraction form
    47,515.20/71,224.20 = 27,783.60/x
  3. Step 3: Cross multiply
    47,515.20x = 71,224.20 × 27,783.60
  4. Step 4: Simplify right side
    47,515.20x = 1,978,864,683.12
  5. Step 5: Solve for x
    x = 1,978,864,683.12/47,515.20
  6. Step 6: Final answer
    x = 41,646.98

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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.