Home / 51,518.30-71,097.93-28,855.97

Finding the Fourth Proportional to 51,518.30, 71,097.93 and 28,855.97

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Solution

The fourth proportional to 51,518.30, 71,097.93 and 28,855.97 is: 39,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.30 : 71,097.93 = 28,855.97 : x
  2. Step 2: Convert to fraction form
    51,518.30/71,097.93 = 28,855.97/x
  3. Step 3: Cross multiply
    51,518.30x = 71,097.93 × 28,855.97
  4. Step 4: Simplify right side
    51,518.30x = 2,051,599,235.37
  5. Step 5: Solve for x
    x = 2,051,599,235.37/51,518.30
  6. Step 6: Final answer
    x = 39,822.73

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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.