Home / 55,326.21-76,349.81-31,452.89

Finding the Fourth Proportional to 55,326.21, 76,349.81 and 31,452.89

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Solution

The fourth proportional to 55,326.21, 76,349.81 and 31,452.89 is: 43,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326.21 : 76,349.81 = 31,452.89 : x
  2. Step 2: Convert to fraction form
    55,326.21/76,349.81 = 31,452.89/x
  3. Step 3: Cross multiply
    55,326.21x = 76,349.81 × 31,452.89
  4. Step 4: Simplify right side
    55,326.21x = 2,401,422,175.45
  5. Step 5: Solve for x
    x = 2,401,422,175.45/55,326.21
  6. Step 6: Final answer
    x = 43,404.78

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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.