Home / 42,664.44-63,996.43-11,074.48

Finding the Fourth Proportional to 42,664.44, 63,996.43 and 11,074.48

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Solution

The fourth proportional to 42,664.44, 63,996.43 and 11,074.48 is: 16,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.44 : 63,996.43 = 11,074.48 : x
  2. Step 2: Convert to fraction form
    42,664.44/63,996.43 = 11,074.48/x
  3. Step 3: Cross multiply
    42,664.44x = 63,996.43 × 11,074.48
  4. Step 4: Simplify right side
    42,664.44x = 708,727,184.11
  5. Step 5: Solve for x
    x = 708,727,184.11/42,664.44
  6. Step 6: Final answer
    x = 16,611.66

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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.