Home / 33,064.22-45,615.75-18,720.75

Finding the Fourth Proportional to 33,064.22, 45,615.75 and 18,720.75

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Solution

The fourth proportional to 33,064.22, 45,615.75 and 18,720.75 is: 25,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,064.22 : 45,615.75 = 18,720.75 : x
  2. Step 2: Convert to fraction form
    33,064.22/45,615.75 = 18,720.75/x
  3. Step 3: Cross multiply
    33,064.22x = 45,615.75 × 18,720.75
  4. Step 4: Simplify right side
    33,064.22x = 853,961,004.26
  5. Step 5: Solve for x
    x = 853,961,004.26/33,064.22
  6. Step 6: Final answer
    x = 25,827.34

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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.