Home / 51,561.44-71,157.82-28,907.86

Finding the Fourth Proportional to 51,561.44, 71,157.82 and 28,907.86

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Solution

The fourth proportional to 51,561.44, 71,157.82 and 28,907.86 is: 39,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.44 : 71,157.82 = 28,907.86 : x
  2. Step 2: Convert to fraction form
    51,561.44/71,157.82 = 28,907.86/x
  3. Step 3: Cross multiply
    51,561.44x = 71,157.82 × 28,907.86
  4. Step 4: Simplify right side
    51,561.44x = 2,057,020,298.47
  5. Step 5: Solve for x
    x = 2,057,020,298.47/51,561.44
  6. Step 6: Final answer
    x = 39,894.55

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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.