Home / 33,721.88-50,554.26-13,988.12

Finding the Fourth Proportional to 33,721.88, 50,554.26 and 13,988.12

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Solution

The fourth proportional to 33,721.88, 50,554.26 and 13,988.12 is: 20,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,721.88 : 50,554.26 = 13,988.12 : x
  2. Step 2: Convert to fraction form
    33,721.88/50,554.26 = 13,988.12/x
  3. Step 3: Cross multiply
    33,721.88x = 50,554.26 × 13,988.12
  4. Step 4: Simplify right side
    33,721.88x = 707,159,055.39
  5. Step 5: Solve for x
    x = 707,159,055.39/33,721.88
  6. Step 6: Final answer
    x = 20,970.33

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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.