Home / 49,424.16-68,179.64-30,308.40

Finding the Fourth Proportional to 49,424.16, 68,179.64 and 30,308.40

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Solution

The fourth proportional to 49,424.16, 68,179.64 and 30,308.40 is: 41,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,424.16 : 68,179.64 = 30,308.40 : x
  2. Step 2: Convert to fraction form
    49,424.16/68,179.64 = 30,308.40/x
  3. Step 3: Cross multiply
    49,424.16x = 68,179.64 × 30,308.40
  4. Step 4: Simplify right side
    49,424.16x = 2,066,415,800.98
  5. Step 5: Solve for x
    x = 2,066,415,800.98/49,424.16
  6. Step 6: Final answer
    x = 41,809.83

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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.