Home / 32,781.58-45,238.51-18,441.42

Finding the Fourth Proportional to 32,781.58, 45,238.51 and 18,441.42

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Solution

The fourth proportional to 32,781.58, 45,238.51 and 18,441.42 is: 25,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.58 : 45,238.51 = 18,441.42 : x
  2. Step 2: Convert to fraction form
    32,781.58/45,238.51 = 18,441.42/x
  3. Step 3: Cross multiply
    32,781.58x = 45,238.51 × 18,441.42
  4. Step 4: Simplify right side
    32,781.58x = 834,262,249.99
  5. Step 5: Solve for x
    x = 834,262,249.99/32,781.58
  6. Step 6: Final answer
    x = 25,449.12

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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.