Home / 36,600.64-54,930.12-14,419.60

Finding the Fourth Proportional to 36,600.64, 54,930.12 and 14,419.60

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Solution

The fourth proportional to 36,600.64, 54,930.12 and 14,419.60 is: 21,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,600.64 : 54,930.12 = 14,419.60 : x
  2. Step 2: Convert to fraction form
    36,600.64/54,930.12 = 14,419.60/x
  3. Step 3: Cross multiply
    36,600.64x = 54,930.12 × 14,419.60
  4. Step 4: Simplify right side
    36,600.64x = 792,070,358.35
  5. Step 5: Solve for x
    x = 792,070,358.35/36,600.64
  6. Step 6: Final answer
    x = 21,640.89

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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.