Home / 31,262.25-43,146.02-17,830.43

Finding the Fourth Proportional to 31,262.25, 43,146.02 and 17,830.43

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Solution

The fourth proportional to 31,262.25, 43,146.02 and 17,830.43 is: 24,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.25 : 43,146.02 = 17,830.43 : x
  2. Step 2: Convert to fraction form
    31,262.25/43,146.02 = 17,830.43/x
  3. Step 3: Cross multiply
    31,262.25x = 43,146.02 × 17,830.43
  4. Step 4: Simplify right side
    31,262.25x = 769,311,979.74
  5. Step 5: Solve for x
    x = 769,311,979.74/31,262.25
  6. Step 6: Final answer
    x = 24,608.33

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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.