Home / 50,801.30-76,189.70-21,203.09

Finding the Fourth Proportional to 50,801.30, 76,189.70 and 21,203.09

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Solution

The fourth proportional to 50,801.30, 76,189.70 and 21,203.09 is: 31,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.30 : 76,189.70 = 21,203.09 : x
  2. Step 2: Convert to fraction form
    50,801.30/76,189.70 = 21,203.09/x
  3. Step 3: Cross multiply
    50,801.30x = 76,189.70 × 21,203.09
  4. Step 4: Simplify right side
    50,801.30x = 1,615,456,960.16
  5. Step 5: Solve for x
    x = 1,615,456,960.16/50,801.30
  6. Step 6: Final answer
    x = 31,799.52

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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.