Home / 54,445.38-81,653.49-14,993.12

Finding the Fourth Proportional to 54,445.38, 81,653.49 and 14,993.12

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Solution

The fourth proportional to 54,445.38, 81,653.49 and 14,993.12 is: 22,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.38 : 81,653.49 = 14,993.12 : x
  2. Step 2: Convert to fraction form
    54,445.38/81,653.49 = 14,993.12/x
  3. Step 3: Cross multiply
    54,445.38x = 81,653.49 × 14,993.12
  4. Step 4: Simplify right side
    54,445.38x = 1,224,240,165.72
  5. Step 5: Solve for x
    x = 1,224,240,165.72/54,445.38
  6. Step 6: Final answer
    x = 22,485.66

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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.