Home / 32,390.39-44,698.83-18,781.07

Finding the Fourth Proportional to 32,390.39, 44,698.83 and 18,781.07

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Solution

The fourth proportional to 32,390.39, 44,698.83 and 18,781.07 is: 25,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.39 : 44,698.83 = 18,781.07 : x
  2. Step 2: Convert to fraction form
    32,390.39/44,698.83 = 18,781.07/x
  3. Step 3: Cross multiply
    32,390.39x = 44,698.83 × 18,781.07
  4. Step 4: Simplify right side
    32,390.39x = 839,491,855.15
  5. Step 5: Solve for x
    x = 839,491,855.15/32,390.39
  6. Step 6: Final answer
    x = 25,917.93

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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.