Home / 63,213.25-87,221.41-40,252.31

Finding the Fourth Proportional to 63,213.25, 87,221.41 and 40,252.31

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Solution

The fourth proportional to 63,213.25, 87,221.41 and 40,252.31 is: 55,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.25 : 87,221.41 = 40,252.31 : x
  2. Step 2: Convert to fraction form
    63,213.25/87,221.41 = 40,252.31/x
  3. Step 3: Cross multiply
    63,213.25x = 87,221.41 × 40,252.31
  4. Step 4: Simplify right side
    63,213.25x = 3,510,863,233.96
  5. Step 5: Solve for x
    x = 3,510,863,233.96/63,213.25
  6. Step 6: Final answer
    x = 55,539.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.