Home / 49,280.59-67,990.35-28,054.54

Finding the Fourth Proportional to 49,280.59, 67,990.35 and 28,054.54

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Solution

The fourth proportional to 49,280.59, 67,990.35 and 28,054.54 is: 38,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,280.59 : 67,990.35 = 28,054.54 : x
  2. Step 2: Convert to fraction form
    49,280.59/67,990.35 = 28,054.54/x
  3. Step 3: Cross multiply
    49,280.59x = 67,990.35 × 28,054.54
  4. Step 4: Simplify right side
    49,280.59x = 1,907,437,993.69
  5. Step 5: Solve for x
    x = 1,907,437,993.69/49,280.59
  6. Step 6: Final answer
    x = 38,705.66

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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.