Home / 45,471.54-62,790.42-28,505.03

Finding the Fourth Proportional to 45,471.54, 62,790.42 and 28,505.03

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Solution

The fourth proportional to 45,471.54, 62,790.42 and 28,505.03 is: 39,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,471.54 : 62,790.42 = 28,505.03 : x
  2. Step 2: Convert to fraction form
    45,471.54/62,790.42 = 28,505.03/x
  3. Step 3: Cross multiply
    45,471.54x = 62,790.42 × 28,505.03
  4. Step 4: Simplify right side
    45,471.54x = 1,789,842,491.86
  5. Step 5: Solve for x
    x = 1,789,842,491.86/45,471.54
  6. Step 6: Final answer
    x = 39,361.82

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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.