Home / 42,212.14-63,321.09-14,131.06

Finding the Fourth Proportional to 42,212.14, 63,321.09 and 14,131.06

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Solution

The fourth proportional to 42,212.14, 63,321.09 and 14,131.06 is: 21,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.14 : 63,321.09 = 14,131.06 : x
  2. Step 2: Convert to fraction form
    42,212.14/63,321.09 = 14,131.06/x
  3. Step 3: Cross multiply
    42,212.14x = 63,321.09 × 14,131.06
  4. Step 4: Simplify right side
    42,212.14x = 894,794,122.06
  5. Step 5: Solve for x
    x = 894,794,122.06/42,212.14
  6. Step 6: Final answer
    x = 21,197.55

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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.