Home / 36,078.39-49,793.64-21,928.50

Finding the Fourth Proportional to 36,078.39, 49,793.64 and 21,928.50

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Solution

The fourth proportional to 36,078.39, 49,793.64 and 21,928.50 is: 30,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.39 : 49,793.64 = 21,928.50 : x
  2. Step 2: Convert to fraction form
    36,078.39/49,793.64 = 21,928.50/x
  3. Step 3: Cross multiply
    36,078.39x = 49,793.64 × 21,928.50
  4. Step 4: Simplify right side
    36,078.39x = 1,091,899,834.74
  5. Step 5: Solve for x
    x = 1,091,899,834.74/36,078.39
  6. Step 6: Final answer
    x = 30,264.65

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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.