Home / 36,783.40-55,175.10-19,258.60

Finding the Fourth Proportional to 36,783.40, 55,175.10 and 19,258.60

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Solution

The fourth proportional to 36,783.40, 55,175.10 and 19,258.60 is: 28,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.40 : 55,175.10 = 19,258.60 : x
  2. Step 2: Convert to fraction form
    36,783.40/55,175.10 = 19,258.60/x
  3. Step 3: Cross multiply
    36,783.40x = 55,175.10 × 19,258.60
  4. Step 4: Simplify right side
    36,783.40x = 1,062,595,180.86
  5. Step 5: Solve for x
    x = 1,062,595,180.86/36,783.40
  6. Step 6: Final answer
    x = 28,887.90

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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.