Home / 51,392.51-77,089.16-18,104.94

Finding the Fourth Proportional to 51,392.51, 77,089.16 and 18,104.94

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Solution

The fourth proportional to 51,392.51, 77,089.16 and 18,104.94 is: 27,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.51 : 77,089.16 = 18,104.94 : x
  2. Step 2: Convert to fraction form
    51,392.51/77,089.16 = 18,104.94/x
  3. Step 3: Cross multiply
    51,392.51x = 77,089.16 × 18,104.94
  4. Step 4: Simplify right side
    51,392.51x = 1,395,694,525.93
  5. Step 5: Solve for x
    x = 1,395,694,525.93/51,392.51
  6. Step 6: Final answer
    x = 27,157.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.