Home / 33,213.36-45,834.12-18,105.60

Finding the Fourth Proportional to 33,213.36, 45,834.12 and 18,105.60

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Solution

The fourth proportional to 33,213.36, 45,834.12 and 18,105.60 is: 24,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.36 : 45,834.12 = 18,105.60 : x
  2. Step 2: Convert to fraction form
    33,213.36/45,834.12 = 18,105.60/x
  3. Step 3: Cross multiply
    33,213.36x = 45,834.12 × 18,105.60
  4. Step 4: Simplify right side
    33,213.36x = 829,854,243.07
  5. Step 5: Solve for x
    x = 829,854,243.07/33,213.36
  6. Step 6: Final answer
    x = 24,985.56

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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.