Home / 42,836.09-64,183.91-30,333.66

Finding the Fourth Proportional to 42,836.09, 64,183.91 and 30,333.66

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Solution

The fourth proportional to 42,836.09, 64,183.91 and 30,333.66 is: 45,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.09 : 64,183.91 = 30,333.66 : x
  2. Step 2: Convert to fraction form
    42,836.09/64,183.91 = 30,333.66/x
  3. Step 3: Cross multiply
    42,836.09x = 64,183.91 × 30,333.66
  4. Step 4: Simplify right side
    42,836.09x = 1,946,932,903.41
  5. Step 5: Solve for x
    x = 1,946,932,903.41/42,836.09
  6. Step 6: Final answer
    x = 45,450.76

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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.