Home / 54,785.41-82,169.90-17,340.63

Finding the Fourth Proportional to 54,785.41, 82,169.90 and 17,340.63

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Solution

The fourth proportional to 54,785.41, 82,169.90 and 17,340.63 is: 26,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.41 : 82,169.90 = 17,340.63 : x
  2. Step 2: Convert to fraction form
    54,785.41/82,169.90 = 17,340.63/x
  3. Step 3: Cross multiply
    54,785.41x = 82,169.90 × 17,340.63
  4. Step 4: Simplify right side
    54,785.41x = 1,424,877,977.62
  5. Step 5: Solve for x
    x = 1,424,877,977.62/54,785.41
  6. Step 6: Final answer
    x = 26,008.35

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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.