Home / 38,180.16-57,151.44-20,606.40

Finding the Fourth Proportional to 38,180.16, 57,151.44 and 20,606.40

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Solution

The fourth proportional to 38,180.16, 57,151.44 and 20,606.40 is: 30,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.16 : 57,151.44 = 20,606.40 : x
  2. Step 2: Convert to fraction form
    38,180.16/57,151.44 = 20,606.40/x
  3. Step 3: Cross multiply
    38,180.16x = 57,151.44 × 20,606.40
  4. Step 4: Simplify right side
    38,180.16x = 1,177,685,433.22
  5. Step 5: Solve for x
    x = 1,177,685,433.22/38,180.16
  6. Step 6: Final answer
    x = 30,845.48

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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.