Home / 51,516.96-71,092.44-28,855.68

Finding the Fourth Proportional to 51,516.96, 71,092.44 and 28,855.68

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Solution

The fourth proportional to 51,516.96, 71,092.44 and 28,855.68 is: 39,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.96 : 71,092.44 = 28,855.68 : x
  2. Step 2: Convert to fraction form
    51,516.96/71,092.44 = 28,855.68/x
  3. Step 3: Cross multiply
    51,516.96x = 71,092.44 × 28,855.68
  4. Step 4: Simplify right side
    51,516.96x = 2,051,420,699.06
  5. Step 5: Solve for x
    x = 2,051,420,699.06/51,516.96
  6. Step 6: Final answer
    x = 39,820.30

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1.5x scale

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.