Home / 31,382.76-43,307.82-17,235.24

Finding the Fourth Proportional to 31,382.76, 43,307.82 and 17,235.24

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Solution

The fourth proportional to 31,382.76, 43,307.82 and 17,235.24 is: 23,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.76 : 43,307.82 = 17,235.24 : x
  2. Step 2: Convert to fraction form
    31,382.76/43,307.82 = 17,235.24/x
  3. Step 3: Cross multiply
    31,382.76x = 43,307.82 × 17,235.24
  4. Step 4: Simplify right side
    31,382.76x = 746,420,671.58
  5. Step 5: Solve for x
    x = 746,420,671.58/31,382.76
  6. Step 6: Final answer
    x = 23,784.42

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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.