Home / 51,295.03-70,790.70-28,638.48

Finding the Fourth Proportional to 51,295.03, 70,790.70 and 28,638.48

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Solution

The fourth proportional to 51,295.03, 70,790.70 and 28,638.48 is: 39,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,295.03 : 70,790.70 = 28,638.48 : x
  2. Step 2: Convert to fraction form
    51,295.03/70,790.70 = 28,638.48/x
  3. Step 3: Cross multiply
    51,295.03x = 70,790.70 × 28,638.48
  4. Step 4: Simplify right side
    51,295.03x = 2,027,338,046.14
  5. Step 5: Solve for x
    x = 2,027,338,046.14/51,295.03
  6. Step 6: Final answer
    x = 39,523.09

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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.