Home / 38,452.53-57,678.44-12,157.28

Finding the Fourth Proportional to 38,452.53, 57,678.44 and 12,157.28

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Solution

The fourth proportional to 38,452.53, 57,678.44 and 12,157.28 is: 18,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.53 : 57,678.44 = 12,157.28 : x
  2. Step 2: Convert to fraction form
    38,452.53/57,678.44 = 12,157.28/x
  3. Step 3: Cross multiply
    38,452.53x = 57,678.44 × 12,157.28
  4. Step 4: Simplify right side
    38,452.53x = 701,212,945.04
  5. Step 5: Solve for x
    x = 701,212,945.04/38,452.53
  6. Step 6: Final answer
    x = 18,235.81

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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.