Home / 47,408.39-71,112.56-14,127.60

Finding the Fourth Proportional to 47,408.39, 71,112.56 and 14,127.60

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Solution

The fourth proportional to 47,408.39, 71,112.56 and 14,127.60 is: 21,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,408.39 : 71,112.56 = 14,127.60 : x
  2. Step 2: Convert to fraction form
    47,408.39/71,112.56 = 14,127.60/x
  3. Step 3: Cross multiply
    47,408.39x = 71,112.56 × 14,127.60
  4. Step 4: Simplify right side
    47,408.39x = 1,004,649,732.02
  5. Step 5: Solve for x
    x = 1,004,649,732.02/47,408.39
  6. Step 6: Final answer
    x = 21,191.39

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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.