Home / 55,645.39-76,817.23-31,767.44

Finding the Fourth Proportional to 55,645.39, 76,817.23 and 31,767.44

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Solution

The fourth proportional to 55,645.39, 76,817.23 and 31,767.44 is: 43,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.39 : 76,817.23 = 31,767.44 : x
  2. Step 2: Convert to fraction form
    55,645.39/76,817.23 = 31,767.44/x
  3. Step 3: Cross multiply
    55,645.39x = 76,817.23 × 31,767.44
  4. Step 4: Simplify right side
    55,645.39x = 2,440,286,857.62
  5. Step 5: Solve for x
    x = 2,440,286,857.62/55,645.39
  6. Step 6: Final answer
    x = 43,854.25

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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.