Home / 38,632.96-57,949.44-20,160.64

Finding the Fourth Proportional to 38,632.96, 57,949.44 and 20,160.64

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Solution

The fourth proportional to 38,632.96, 57,949.44 and 20,160.64 is: 30,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.96 : 57,949.44 = 20,160.64 : x
  2. Step 2: Convert to fraction form
    38,632.96/57,949.44 = 20,160.64/x
  3. Step 3: Cross multiply
    38,632.96x = 57,949.44 × 20,160.64
  4. Step 4: Simplify right side
    38,632.96x = 1,168,297,798.04
  5. Step 5: Solve for x
    x = 1,168,297,798.04/38,632.96
  6. Step 6: Final answer
    x = 30,240.96

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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.