Home / 44,110.82-66,156.32-12,520.22

Finding the Fourth Proportional to 44,110.82, 66,156.32 and 12,520.22

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Solution

The fourth proportional to 44,110.82, 66,156.32 and 12,520.22 is: 18,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,110.82 : 66,156.32 = 12,520.22 : x
  2. Step 2: Convert to fraction form
    44,110.82/66,156.32 = 12,520.22/x
  3. Step 3: Cross multiply
    44,110.82x = 66,156.32 × 12,520.22
  4. Step 4: Simplify right side
    44,110.82x = 828,291,287.41
  5. Step 5: Solve for x
    x = 828,291,287.41/44,110.82
  6. Step 6: Final answer
    x = 18,777.51

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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.