Home / 51,739.80-71,396.98-29,074.51

Finding the Fourth Proportional to 51,739.80, 71,396.98 and 29,074.51

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Solution

The fourth proportional to 51,739.80, 71,396.98 and 29,074.51 is: 40,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,739.80 : 71,396.98 = 29,074.51 : x
  2. Step 2: Convert to fraction form
    51,739.80/71,396.98 = 29,074.51/x
  3. Step 3: Cross multiply
    51,739.80x = 71,396.98 × 29,074.51
  4. Step 4: Simplify right side
    51,739.80x = 2,075,832,208.98
  5. Step 5: Solve for x
    x = 2,075,832,208.98/51,739.80
  6. Step 6: Final answer
    x = 40,120.61

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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.