Home / 30,251.27-41,747.76-16,639.88

Finding the Fourth Proportional to 30,251.27, 41,747.76 and 16,639.88

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Solution

The fourth proportional to 30,251.27, 41,747.76 and 16,639.88 is: 22,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.27 : 41,747.76 = 16,639.88 : x
  2. Step 2: Convert to fraction form
    30,251.27/41,747.76 = 16,639.88/x
  3. Step 3: Cross multiply
    30,251.27x = 41,747.76 × 16,639.88
  4. Step 4: Simplify right side
    30,251.27x = 694,677,821.04
  5. Step 5: Solve for x
    x = 694,677,821.04/30,251.27
  6. Step 6: Final answer
    x = 22,963.60

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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.