Home / 53,829.36-74,245.92-39,493.58

Finding the Fourth Proportional to 53,829.36, 74,245.92 and 39,493.58

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Solution

The fourth proportional to 53,829.36, 74,245.92 and 39,493.58 is: 54,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,829.36 : 74,245.92 = 39,493.58 : x
  2. Step 2: Convert to fraction form
    53,829.36/74,245.92 = 39,493.58/x
  3. Step 3: Cross multiply
    53,829.36x = 74,245.92 × 39,493.58
  4. Step 4: Simplify right side
    53,829.36x = 2,932,236,661.86
  5. Step 5: Solve for x
    x = 2,932,236,661.86/53,829.36
  6. Step 6: Final answer
    x = 54,472.81

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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.