Home / 51,106.68-76,660.38-17,826.60

Finding the Fourth Proportional to 51,106.68, 76,660.38 and 17,826.60

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Solution

The fourth proportional to 51,106.68, 76,660.38 and 17,826.60 is: 26,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.68 : 76,660.38 = 17,826.60 : x
  2. Step 2: Convert to fraction form
    51,106.68/76,660.38 = 17,826.60/x
  3. Step 3: Cross multiply
    51,106.68x = 76,660.38 × 17,826.60
  4. Step 4: Simplify right side
    51,106.68x = 1,366,593,930.11
  5. Step 5: Solve for x
    x = 1,366,593,930.11/51,106.68
  6. Step 6: Final answer
    x = 26,740.03

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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.