Home / 31,836.42-43,934.85-17,690.58

Finding the Fourth Proportional to 31,836.42, 43,934.85 and 17,690.58

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Solution

The fourth proportional to 31,836.42, 43,934.85 and 17,690.58 is: 24,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.42 : 43,934.85 = 17,690.58 : x
  2. Step 2: Convert to fraction form
    31,836.42/43,934.85 = 17,690.58/x
  3. Step 3: Cross multiply
    31,836.42x = 43,934.85 × 17,690.58
  4. Step 4: Simplify right side
    31,836.42x = 777,232,978.71
  5. Step 5: Solve for x
    x = 777,232,978.71/31,836.42
  6. Step 6: Final answer
    x = 24,413.33

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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.