Home / 51,141.58-76,707.51-17,855.44

Finding the Fourth Proportional to 51,141.58, 76,707.51 and 17,855.44

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Solution

The fourth proportional to 51,141.58, 76,707.51 and 17,855.44 is: 26,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141.58 : 76,707.51 = 17,855.44 : x
  2. Step 2: Convert to fraction form
    51,141.58/76,707.51 = 17,855.44/x
  3. Step 3: Cross multiply
    51,141.58x = 76,707.51 × 17,855.44
  4. Step 4: Simplify right side
    51,141.58x = 1,369,646,342.35
  5. Step 5: Solve for x
    x = 1,369,646,342.35/51,141.58
  6. Step 6: Final answer
    x = 26,781.46

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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.