Home / 40,880.64-61,234.56-30,910.08

Finding the Fourth Proportional to 40,880.64, 61,234.56 and 30,910.08

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Solution

The fourth proportional to 40,880.64, 61,234.56 and 30,910.08 is: 46,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880.64 : 61,234.56 = 30,910.08 : x
  2. Step 2: Convert to fraction form
    40,880.64/61,234.56 = 30,910.08/x
  3. Step 3: Cross multiply
    40,880.64x = 61,234.56 × 30,910.08
  4. Step 4: Simplify right side
    40,880.64x = 1,892,765,148.36
  5. Step 5: Solve for x
    x = 1,892,765,148.36/40,880.64
  6. Step 6: Final answer
    x = 46,299.79

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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.