Home / 51,491.43-71,052.30-28,827.27

Finding the Fourth Proportional to 51,491.43, 71,052.30 and 28,827.27

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Solution

The fourth proportional to 51,491.43, 71,052.30 and 28,827.27 is: 39,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.43 : 71,052.30 = 28,827.27 : x
  2. Step 2: Convert to fraction form
    51,491.43/71,052.30 = 28,827.27/x
  3. Step 3: Cross multiply
    51,491.43x = 71,052.30 × 28,827.27
  4. Step 4: Simplify right side
    51,491.43x = 2,048,243,836.22
  5. Step 5: Solve for x
    x = 2,048,243,836.22/51,491.43
  6. Step 6: Final answer
    x = 39,778.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.