Home / 49,286.37-68,015.11-28,065.63

Finding the Fourth Proportional to 49,286.37, 68,015.11 and 28,065.63

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Solution

The fourth proportional to 49,286.37, 68,015.11 and 28,065.63 is: 38,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,286.37 : 68,015.11 = 28,065.63 : x
  2. Step 2: Convert to fraction form
    49,286.37/68,015.11 = 28,065.63/x
  3. Step 3: Cross multiply
    49,286.37x = 68,015.11 × 28,065.63
  4. Step 4: Simplify right side
    49,286.37x = 1,908,886,911.67
  5. Step 5: Solve for x
    x = 1,908,886,911.67/49,286.37
  6. Step 6: Final answer
    x = 38,730.52

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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.