Home / 54,759.85-82,119.72-26,671.48

Finding the Fourth Proportional to 54,759.85, 82,119.72 and 26,671.48

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Solution

The fourth proportional to 54,759.85, 82,119.72 and 26,671.48 is: 39,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.85 : 82,119.72 = 26,671.48 : x
  2. Step 2: Convert to fraction form
    54,759.85/82,119.72 = 26,671.48/x
  3. Step 3: Cross multiply
    54,759.85x = 82,119.72 × 26,671.48
  4. Step 4: Simplify right side
    54,759.85x = 2,190,254,364.30
  5. Step 5: Solve for x
    x = 2,190,254,364.30/54,759.85
  6. Step 6: Final answer
    x = 39,997.45

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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.