Home / 49,398.84-68,170.86-28,179.36

Finding the Fourth Proportional to 49,398.84, 68,170.86 and 28,179.36

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Solution

The fourth proportional to 49,398.84, 68,170.86 and 28,179.36 is: 38,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.84 : 68,170.86 = 28,179.36 : x
  2. Step 2: Convert to fraction form
    49,398.84/68,170.86 = 28,179.36/x
  3. Step 3: Cross multiply
    49,398.84x = 68,170.86 × 28,179.36
  4. Step 4: Simplify right side
    49,398.84x = 1,921,011,205.45
  5. Step 5: Solve for x
    x = 1,921,011,205.45/49,398.84
  6. Step 6: Final answer
    x = 38,887.78

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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.