Home / 51,874.21-77,821.53-18,585.37

Finding the Fourth Proportional to 51,874.21, 77,821.53 and 18,585.37

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Solution

The fourth proportional to 51,874.21, 77,821.53 and 18,585.37 is: 27,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874.21 : 77,821.53 = 18,585.37 : x
  2. Step 2: Convert to fraction form
    51,874.21/77,821.53 = 18,585.37/x
  3. Step 3: Cross multiply
    51,874.21x = 77,821.53 × 18,585.37
  4. Step 4: Simplify right side
    51,874.21x = 1,446,341,929.02
  5. Step 5: Solve for x
    x = 1,446,341,929.02/51,874.21
  6. Step 6: Final answer
    x = 27,881.71

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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.