Home / 54,765.34-82,098.78-19,680.46

Finding the Fourth Proportional to 54,765.34, 82,098.78 and 19,680.46

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Solution

The fourth proportional to 54,765.34, 82,098.78 and 19,680.46 is: 29,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.34 : 82,098.78 = 19,680.46 : x
  2. Step 2: Convert to fraction form
    54,765.34/82,098.78 = 19,680.46/x
  3. Step 3: Cross multiply
    54,765.34x = 82,098.78 × 19,680.46
  4. Step 4: Simplify right side
    54,765.34x = 1,615,741,755.84
  5. Step 5: Solve for x
    x = 1,615,741,755.84/54,765.34
  6. Step 6: Final answer
    x = 29,503.00

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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.