Home / 47,400.28-71,112.12-14,120.22

Finding the Fourth Proportional to 47,400.28, 71,112.12 and 14,120.22

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Solution

The fourth proportional to 47,400.28, 71,112.12 and 14,120.22 is: 21,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.28 : 71,112.12 = 14,120.22 : x
  2. Step 2: Convert to fraction form
    47,400.28/71,112.12 = 14,120.22/x
  3. Step 3: Cross multiply
    47,400.28x = 71,112.12 × 14,120.22
  4. Step 4: Simplify right side
    47,400.28x = 1,004,118,459.45
  5. Step 5: Solve for x
    x = 1,004,118,459.45/47,400.28
  6. Step 6: Final answer
    x = 21,183.81

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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.