Home / 51,011.10-76,451.69-28,836.81

Finding the Fourth Proportional to 51,011.10, 76,451.69 and 28,836.81

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Solution

The fourth proportional to 51,011.10, 76,451.69 and 28,836.81 is: 43,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.10 : 76,451.69 = 28,836.81 : x
  2. Step 2: Convert to fraction form
    51,011.10/76,451.69 = 28,836.81/x
  3. Step 3: Cross multiply
    51,011.10x = 76,451.69 × 28,836.81
  4. Step 4: Simplify right side
    51,011.10x = 2,204,622,930.80
  5. Step 5: Solve for x
    x = 2,204,622,930.80/51,011.10
  6. Step 6: Final answer
    x = 43,218.49

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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.