Home / 40,755.21-61,141.61-12,674.71

Finding the Fourth Proportional to 40,755.21, 61,141.61 and 12,674.71

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Solution

The fourth proportional to 40,755.21, 61,141.61 and 12,674.71 is: 19,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.21 : 61,141.61 = 12,674.71 : x
  2. Step 2: Convert to fraction form
    40,755.21/61,141.61 = 12,674.71/x
  3. Step 3: Cross multiply
    40,755.21x = 61,141.61 × 12,674.71
  4. Step 4: Simplify right side
    40,755.21x = 774,952,175.68
  5. Step 5: Solve for x
    x = 774,952,175.68/40,755.21
  6. Step 6: Final answer
    x = 19,014.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.