Home / 47,119.92-70,662.60-13,831.44

Finding the Fourth Proportional to 47,119.92, 70,662.60 and 13,831.44

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Solution

The fourth proportional to 47,119.92, 70,662.60 and 13,831.44 is: 20,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,119.92 : 70,662.60 = 13,831.44 : x
  2. Step 2: Convert to fraction form
    47,119.92/70,662.60 = 13,831.44/x
  3. Step 3: Cross multiply
    47,119.92x = 70,662.60 × 13,831.44
  4. Step 4: Simplify right side
    47,119.92x = 977,365,512.14
  5. Step 5: Solve for x
    x = 977,365,512.14/47,119.92
  6. Step 6: Final answer
    x = 20,742.09

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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.