Home / 33,986.82-50,980.23-13,215.18

Finding the Fourth Proportional to 33,986.82, 50,980.23 and 13,215.18

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Solution

The fourth proportional to 33,986.82, 50,980.23 and 13,215.18 is: 19,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,986.82 : 50,980.23 = 13,215.18 : x
  2. Step 2: Convert to fraction form
    33,986.82/50,980.23 = 13,215.18/x
  3. Step 3: Cross multiply
    33,986.82x = 50,980.23 × 13,215.18
  4. Step 4: Simplify right side
    33,986.82x = 673,712,915.89
  5. Step 5: Solve for x
    x = 673,712,915.89/33,986.82
  6. Step 6: Final answer
    x = 19,822.77

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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.