Home / 31,281.94-43,169.09-17,135.29

Finding the Fourth Proportional to 31,281.94, 43,169.09 and 17,135.29

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Solution

The fourth proportional to 31,281.94, 43,169.09 and 17,135.29 is: 23,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.94 : 43,169.09 = 17,135.29 : x
  2. Step 2: Convert to fraction form
    31,281.94/43,169.09 = 17,135.29/x
  3. Step 3: Cross multiply
    31,281.94x = 43,169.09 × 17,135.29
  4. Step 4: Simplify right side
    31,281.94x = 739,714,682.59
  5. Step 5: Solve for x
    x = 739,714,682.59/31,281.94
  6. Step 6: Final answer
    x = 23,646.70

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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.