Home / 31,306.35-43,202.88-16,966.20

Finding the Fourth Proportional to 31,306.35, 43,202.88 and 16,966.20

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Solution

The fourth proportional to 31,306.35, 43,202.88 and 16,966.20 is: 23,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.35 : 43,202.88 = 16,966.20 : x
  2. Step 2: Convert to fraction form
    31,306.35/43,202.88 = 16,966.20/x
  3. Step 3: Cross multiply
    31,306.35x = 43,202.88 × 16,966.20
  4. Step 4: Simplify right side
    31,306.35x = 732,988,702.66
  5. Step 5: Solve for x
    x = 732,988,702.66/31,306.35
  6. Step 6: Final answer
    x = 23,413.42

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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.