Home / 31,435.26-43,382.52-18,010.68

Finding the Fourth Proportional to 31,435.26, 43,382.52 and 18,010.68

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Solution

The fourth proportional to 31,435.26, 43,382.52 and 18,010.68 is: 24,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.26 : 43,382.52 = 18,010.68 : x
  2. Step 2: Convert to fraction form
    31,435.26/43,382.52 = 18,010.68/x
  3. Step 3: Cross multiply
    31,435.26x = 43,382.52 × 18,010.68
  4. Step 4: Simplify right side
    31,435.26x = 781,348,685.31
  5. Step 5: Solve for x
    x = 781,348,685.31/31,435.26
  6. Step 6: Final answer
    x = 24,855.80

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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.