Home / 32,791.21-45,246.22-18,449.05

Finding the Fourth Proportional to 32,791.21, 45,246.22 and 18,449.05

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Solution

The fourth proportional to 32,791.21, 45,246.22 and 18,449.05 is: 25,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,791.21 : 45,246.22 = 18,449.05 : x
  2. Step 2: Convert to fraction form
    32,791.21/45,246.22 = 18,449.05/x
  3. Step 3: Cross multiply
    32,791.21x = 45,246.22 × 18,449.05
  4. Step 4: Simplify right side
    32,791.21x = 834,749,548.86
  5. Step 5: Solve for x
    x = 834,749,548.86/32,791.21
  6. Step 6: Final answer
    x = 25,456.51

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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.