Home / 50,814.66-76,209.73-21,216.45

Finding the Fourth Proportional to 50,814.66, 76,209.73 and 21,216.45

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Solution

The fourth proportional to 50,814.66, 76,209.73 and 21,216.45 is: 31,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,814.66 : 76,209.73 = 21,216.45 : x
  2. Step 2: Convert to fraction form
    50,814.66/76,209.73 = 21,216.45/x
  3. Step 3: Cross multiply
    50,814.66x = 76,209.73 × 21,216.45
  4. Step 4: Simplify right side
    50,814.66x = 1,616,899,788.58
  5. Step 5: Solve for x
    x = 1,616,899,788.58/50,814.66
  6. Step 6: Final answer
    x = 31,819.55

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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.