Home / 33,213.67-45,835.04-18,106.36

Finding the Fourth Proportional to 33,213.67, 45,835.04 and 18,106.36

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Solution

The fourth proportional to 33,213.67, 45,835.04 and 18,106.36 is: 24,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.67 : 45,835.04 = 18,106.36 : x
  2. Step 2: Convert to fraction form
    33,213.67/45,835.04 = 18,106.36/x
  3. Step 3: Cross multiply
    33,213.67x = 45,835.04 × 18,106.36
  4. Step 4: Simplify right side
    33,213.67x = 829,905,665.53
  5. Step 5: Solve for x
    x = 829,905,665.53/33,213.67
  6. Step 6: Final answer
    x = 24,986.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.