Home / 49,625.41-68,457.40-30,729.73

Finding the Fourth Proportional to 49,625.41, 68,457.40 and 30,729.73

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Solution

The fourth proportional to 49,625.41, 68,457.40 and 30,729.73 is: 42,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,625.41 : 68,457.40 = 30,729.73 : x
  2. Step 2: Convert to fraction form
    49,625.41/68,457.40 = 30,729.73/x
  3. Step 3: Cross multiply
    49,625.41x = 68,457.40 × 30,729.73
  4. Step 4: Simplify right side
    49,625.41x = 2,103,677,418.50
  5. Step 5: Solve for x
    x = 2,103,677,418.50/49,625.41
  6. Step 6: Final answer
    x = 42,391.13

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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.