Home / 40,414.38-60,631.32-12,712.38

Finding the Fourth Proportional to 40,414.38, 60,631.32 and 12,712.38

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Solution

The fourth proportional to 40,414.38, 60,631.32 and 12,712.38 is: 19,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414.38 : 60,631.32 = 12,712.38 : x
  2. Step 2: Convert to fraction form
    40,414.38/60,631.32 = 12,712.38/x
  3. Step 3: Cross multiply
    40,414.38x = 60,631.32 × 12,712.38
  4. Step 4: Simplify right side
    40,414.38x = 770,768,379.74
  5. Step 5: Solve for x
    x = 770,768,379.74/40,414.38
  6. Step 6: Final answer
    x = 19,071.64

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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.