Home / 42,212.21-63,272.75-27,431.73

Finding the Fourth Proportional to 42,212.21, 63,272.75 and 27,431.73

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Solution

The fourth proportional to 42,212.21, 63,272.75 and 27,431.73 is: 41,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.21 : 63,272.75 = 27,431.73 : x
  2. Step 2: Convert to fraction form
    42,212.21/63,272.75 = 27,431.73/x
  3. Step 3: Cross multiply
    42,212.21x = 63,272.75 × 27,431.73
  4. Step 4: Simplify right side
    42,212.21x = 1,735,680,857.20
  5. Step 5: Solve for x
    x = 1,735,680,857.20/42,212.21
  6. Step 6: Final answer
    x = 41,117.99

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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.