Home / 55,112.76-82,682.64-17,672.94

Finding the Fourth Proportional to 55,112.76, 82,682.64 and 17,672.94

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Solution

The fourth proportional to 55,112.76, 82,682.64 and 17,672.94 is: 26,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.76 : 82,682.64 = 17,672.94 : x
  2. Step 2: Convert to fraction form
    55,112.76/82,682.64 = 17,672.94/x
  3. Step 3: Cross multiply
    55,112.76x = 82,682.64 × 17,672.94
  4. Step 4: Simplify right side
    55,112.76x = 1,461,245,335.76
  5. Step 5: Solve for x
    x = 1,461,245,335.76/55,112.76
  6. Step 6: Final answer
    x = 26,513.74

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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.