Home / 54,105.60-81,149.16-14,653.50

Finding the Fourth Proportional to 54,105.60, 81,149.16 and 14,653.50

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Solution

The fourth proportional to 54,105.60, 81,149.16 and 14,653.50 is: 21,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,105.60 : 81,149.16 = 14,653.50 : x
  2. Step 2: Convert to fraction form
    54,105.60/81,149.16 = 14,653.50/x
  3. Step 3: Cross multiply
    54,105.60x = 81,149.16 × 14,653.50
  4. Step 4: Simplify right side
    54,105.60x = 1,189,119,216.06
  5. Step 5: Solve for x
    x = 1,189,119,216.06/54,105.60
  6. Step 6: Final answer
    x = 21,977.75

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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.