Home / 76,786.18-115,179.57-29,390.24

Finding the Fourth Proportional to 76,786.18, 115,179.57 and 29,390.24

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Solution

The fourth proportional to 76,786.18, 115,179.57 and 29,390.24 is: 44,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,786.18 : 115,179.57 = 29,390.24 : x
  2. Step 2: Convert to fraction form
    76,786.18/115,179.57 = 29,390.24/x
  3. Step 3: Cross multiply
    76,786.18x = 115,179.57 × 29,390.24
  4. Step 4: Simplify right side
    76,786.18x = 3,385,155,493.35
  5. Step 5: Solve for x
    x = 3,385,155,493.35/76,786.18
  6. Step 6: Final answer
    x = 44,085.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.