Home / 47,151.44-65,120.04-29,289.20

Finding the Fourth Proportional to 47,151.44, 65,120.04 and 29,289.20

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Solution

The fourth proportional to 47,151.44, 65,120.04 and 29,289.20 is: 40,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,151.44 : 65,120.04 = 29,289.20 : x
  2. Step 2: Convert to fraction form
    47,151.44/65,120.04 = 29,289.20/x
  3. Step 3: Cross multiply
    47,151.44x = 65,120.04 × 29,289.20
  4. Step 4: Simplify right side
    47,151.44x = 1,907,313,875.57
  5. Step 5: Solve for x
    x = 1,907,313,875.57/47,151.44
  6. Step 6: Final answer
    x = 40,450.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.