Home / 31,463.49-43,418.80-17,123.61

Finding the Fourth Proportional to 31,463.49, 43,418.80 and 17,123.61

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Solution

The fourth proportional to 31,463.49, 43,418.80 and 17,123.61 is: 23,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.49 : 43,418.80 = 17,123.61 : x
  2. Step 2: Convert to fraction form
    31,463.49/43,418.80 = 17,123.61/x
  3. Step 3: Cross multiply
    31,463.49x = 43,418.80 × 17,123.61
  4. Step 4: Simplify right side
    31,463.49x = 743,486,295.16
  5. Step 5: Solve for x
    x = 743,486,295.16/31,463.49
  6. Step 6: Final answer
    x = 23,630.13

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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.