Home / 51,561.56-71,157.76-28,907.82

Finding the Fourth Proportional to 51,561.56, 71,157.76 and 28,907.82

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Solution

The fourth proportional to 51,561.56, 71,157.76 and 28,907.82 is: 39,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.56 : 71,157.76 = 28,907.82 : x
  2. Step 2: Convert to fraction form
    51,561.56/71,157.76 = 28,907.82/x
  3. Step 3: Cross multiply
    51,561.56x = 71,157.76 × 28,907.82
  4. Step 4: Simplify right side
    51,561.56x = 2,057,015,645.41
  5. Step 5: Solve for x
    x = 2,057,015,645.41/51,561.56
  6. Step 6: Final answer
    x = 39,894.36

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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.