Home / 54,809.10-82,213.65-19,749.90

Finding the Fourth Proportional to 54,809.10, 82,213.65 and 19,749.90

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Solution

The fourth proportional to 54,809.10, 82,213.65 and 19,749.90 is: 29,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809.10 : 82,213.65 = 19,749.90 : x
  2. Step 2: Convert to fraction form
    54,809.10/82,213.65 = 19,749.90/x
  3. Step 3: Cross multiply
    54,809.10x = 82,213.65 × 19,749.90
  4. Step 4: Simplify right side
    54,809.10x = 1,623,711,366.14
  5. Step 5: Solve for x
    x = 1,623,711,366.14/54,809.10
  6. Step 6: Final answer
    x = 29,624.85

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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.