Home / 31,262.82-43,146.80-17,830.99

Finding the Fourth Proportional to 31,262.82, 43,146.80 and 17,830.99

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Solution

The fourth proportional to 31,262.82, 43,146.80 and 17,830.99 is: 24,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.82 : 43,146.80 = 17,830.99 : x
  2. Step 2: Convert to fraction form
    31,262.82/43,146.80 = 17,830.99/x
  3. Step 3: Cross multiply
    31,262.82x = 43,146.80 × 17,830.99
  4. Step 4: Simplify right side
    31,262.82x = 769,350,124.11
  5. Step 5: Solve for x
    x = 769,350,124.11/31,262.82
  6. Step 6: Final answer
    x = 24,609.11

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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.