Home / 31,394.39-43,323.66-17,966.61

Finding the Fourth Proportional to 31,394.39, 43,323.66 and 17,966.61

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Solution

The fourth proportional to 31,394.39, 43,323.66 and 17,966.61 is: 24,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.39 : 43,323.66 = 17,966.61 : x
  2. Step 2: Convert to fraction form
    31,394.39/43,323.66 = 17,966.61/x
  3. Step 3: Cross multiply
    31,394.39x = 43,323.66 × 17,966.61
  4. Step 4: Simplify right side
    31,394.39x = 778,379,302.99
  5. Step 5: Solve for x
    x = 778,379,302.99/31,394.39
  6. Step 6: Final answer
    x = 24,793.58

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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.