Home / 45,321.54-62,540.82-28,324.86

Finding the Fourth Proportional to 45,321.54, 62,540.82 and 28,324.86

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Solution

The fourth proportional to 45,321.54, 62,540.82 and 28,324.86 is: 39,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.54 : 62,540.82 = 28,324.86 : x
  2. Step 2: Convert to fraction form
    45,321.54/62,540.82 = 28,324.86/x
  3. Step 3: Cross multiply
    45,321.54x = 62,540.82 × 28,324.86
  4. Step 4: Simplify right side
    45,321.54x = 1,771,459,970.79
  5. Step 5: Solve for x
    x = 1,771,459,970.79/45,321.54
  6. Step 6: Final answer
    x = 39,086.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.