Home / 51,154.08-76,726.26-17,868

Finding the Fourth Proportional to 51,154.08, 76,726.26 and 17,868

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Solution

The fourth proportional to 51,154.08, 76,726.26 and 17,868 is: 26,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.08 : 76,726.26 = 17,868 : x
  2. Step 2: Convert to fraction form
    51,154.08/76,726.26 = 17,868/x
  3. Step 3: Cross multiply
    51,154.08x = 76,726.26 × 17,868
  4. Step 4: Simplify right side
    51,154.08x = 1,370,944,813.68
  5. Step 5: Solve for x
    x = 1,370,944,813.68/51,154.08
  6. Step 6: Final answer
    x = 26,800.30

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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.