Home / 49,276.12-67,990.98-28,049.80

Finding the Fourth Proportional to 49,276.12, 67,990.98 and 28,049.80

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Solution

The fourth proportional to 49,276.12, 67,990.98 and 28,049.80 is: 38,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,276.12 : 67,990.98 = 28,049.80 : x
  2. Step 2: Convert to fraction form
    49,276.12/67,990.98 = 28,049.80/x
  3. Step 3: Cross multiply
    49,276.12x = 67,990.98 × 28,049.80
  4. Step 4: Simplify right side
    49,276.12x = 1,907,133,390.80
  5. Step 5: Solve for x
    x = 1,907,133,390.80/49,276.12
  6. Step 6: Final answer
    x = 38,702.99

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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.