Home / 50,814.37-76,221.60-21,216.07

Finding the Fourth Proportional to 50,814.37, 76,221.60 and 21,216.07

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Solution

The fourth proportional to 50,814.37, 76,221.60 and 21,216.07 is: 31,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,814.37 : 76,221.60 = 21,216.07 : x
  2. Step 2: Convert to fraction form
    50,814.37/76,221.60 = 21,216.07/x
  3. Step 3: Cross multiply
    50,814.37x = 76,221.60 × 21,216.07
  4. Step 4: Simplify right side
    50,814.37x = 1,617,122,801.11
  5. Step 5: Solve for x
    x = 1,617,122,801.11/50,814.37
  6. Step 6: Final answer
    x = 31,824.12

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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.