Home / 33,988.10-50,980.80-11,806.52

Finding the Fourth Proportional to 33,988.10, 50,980.80 and 11,806.52

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Solution

The fourth proportional to 33,988.10, 50,980.80 and 11,806.52 is: 17,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988.10 : 50,980.80 = 11,806.52 : x
  2. Step 2: Convert to fraction form
    33,988.10/50,980.80 = 11,806.52/x
  3. Step 3: Cross multiply
    33,988.10x = 50,980.80 × 11,806.52
  4. Step 4: Simplify right side
    33,988.10x = 601,905,834.82
  5. Step 5: Solve for x
    x = 601,905,834.82/33,988.10
  6. Step 6: Final answer
    x = 17,709.31

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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.