Home / 40,778.25-61,176.18-12,697.73

Finding the Fourth Proportional to 40,778.25, 61,176.18 and 12,697.73

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Solution

The fourth proportional to 40,778.25, 61,176.18 and 12,697.73 is: 19,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.25 : 61,176.18 = 12,697.73 : x
  2. Step 2: Convert to fraction form
    40,778.25/61,176.18 = 12,697.73/x
  3. Step 3: Cross multiply
    40,778.25x = 61,176.18 × 12,697.73
  4. Step 4: Simplify right side
    40,778.25x = 776,798,552.58
  5. Step 5: Solve for x
    x = 776,798,552.58/40,778.25
  6. Step 6: Final answer
    x = 19,049.34

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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.