Home / 33,324.64-45,987.89-18,217.30

Finding the Fourth Proportional to 33,324.64, 45,987.89 and 18,217.30

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Solution

The fourth proportional to 33,324.64, 45,987.89 and 18,217.30 is: 25,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,324.64 : 45,987.89 = 18,217.30 : x
  2. Step 2: Convert to fraction form
    33,324.64/45,987.89 = 18,217.30/x
  3. Step 3: Cross multiply
    33,324.64x = 45,987.89 × 18,217.30
  4. Step 4: Simplify right side
    33,324.64x = 837,775,188.50
  5. Step 5: Solve for x
    x = 837,775,188.50/33,324.64
  6. Step 6: Final answer
    x = 25,139.81

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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.