Home / 42,522.75-63,786.83-12,942.77

Finding the Fourth Proportional to 42,522.75, 63,786.83 and 12,942.77

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Solution

The fourth proportional to 42,522.75, 63,786.83 and 12,942.77 is: 19,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,522.75 : 63,786.83 = 12,942.77 : x
  2. Step 2: Convert to fraction form
    42,522.75/63,786.83 = 12,942.77/x
  3. Step 3: Cross multiply
    42,522.75x = 63,786.83 × 12,942.77
  4. Step 4: Simplify right side
    42,522.75x = 825,577,886.07
  5. Step 5: Solve for x
    x = 825,577,886.07/42,522.75
  6. Step 6: Final answer
    x = 19,414.97

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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.