Home / 31,081.48-42,892.03-16,934.33

Finding the Fourth Proportional to 31,081.48, 42,892.03 and 16,934.33

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Solution

The fourth proportional to 31,081.48, 42,892.03 and 16,934.33 is: 23,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081.48 : 42,892.03 = 16,934.33 : x
  2. Step 2: Convert to fraction form
    31,081.48/42,892.03 = 16,934.33/x
  3. Step 3: Cross multiply
    31,081.48x = 42,892.03 × 16,934.33
  4. Step 4: Simplify right side
    31,081.48x = 726,347,790.39
  5. Step 5: Solve for x
    x = 726,347,790.39/31,081.48
  6. Step 6: Final answer
    x = 23,369.15

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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.