Home / 51,154.05-76,696.37-17,855.91

Finding the Fourth Proportional to 51,154.05, 76,696.37 and 17,855.91

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Solution

The fourth proportional to 51,154.05, 76,696.37 and 17,855.91 is: 26,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.05 : 76,696.37 = 17,855.91 : x
  2. Step 2: Convert to fraction form
    51,154.05/76,696.37 = 17,855.91/x
  3. Step 3: Cross multiply
    51,154.05x = 76,696.37 × 17,855.91
  4. Step 4: Simplify right side
    51,154.05x = 1,369,483,390.77
  5. Step 5: Solve for x
    x = 1,369,483,390.77/51,154.05
  6. Step 6: Final answer
    x = 26,771.75

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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.