Home / 50,814.47-76,209.45-21,216.26

Finding the Fourth Proportional to 50,814.47, 76,209.45 and 21,216.26

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Solution

The fourth proportional to 50,814.47, 76,209.45 and 21,216.26 is: 31,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,814.47 : 76,209.45 = 21,216.26 : x
  2. Step 2: Convert to fraction form
    50,814.47/76,209.45 = 21,216.26/x
  3. Step 3: Cross multiply
    50,814.47x = 76,209.45 × 21,216.26
  4. Step 4: Simplify right side
    50,814.47x = 1,616,879,558.70
  5. Step 5: Solve for x
    x = 1,616,879,558.70/50,814.47
  6. Step 6: Final answer
    x = 31,819.27

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1.5x scale

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.