Home / 38,627.67-57,946.37-13,661.85

Finding the Fourth Proportional to 38,627.67, 57,946.37 and 13,661.85

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Solution

The fourth proportional to 38,627.67, 57,946.37 and 13,661.85 is: 20,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.67 : 57,946.37 = 13,661.85 : x
  2. Step 2: Convert to fraction form
    38,627.67/57,946.37 = 13,661.85/x
  3. Step 3: Cross multiply
    38,627.67x = 57,946.37 × 13,661.85
  4. Step 4: Simplify right side
    38,627.67x = 791,654,546.68
  5. Step 5: Solve for x
    x = 791,654,546.68/38,627.67
  6. Step 6: Final answer
    x = 20,494.49

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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.