Home / 54,211.70-81,317.10-14,768.75

Finding the Fourth Proportional to 54,211.70, 81,317.10 and 14,768.75

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Solution

The fourth proportional to 54,211.70, 81,317.10 and 14,768.75 is: 22,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,211.70 : 81,317.10 = 14,768.75 : x
  2. Step 2: Convert to fraction form
    54,211.70/81,317.10 = 14,768.75/x
  3. Step 3: Cross multiply
    54,211.70x = 81,317.10 × 14,768.75
  4. Step 4: Simplify right side
    54,211.70x = 1,200,951,920.63
  5. Step 5: Solve for x
    x = 1,200,951,920.63/54,211.70
  6. Step 6: Final answer
    x = 22,153.00

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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.