Home / 36,910.32-55,366.34-13,219.49

Finding the Fourth Proportional to 36,910.32, 55,366.34 and 13,219.49

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Solution

The fourth proportional to 36,910.32, 55,366.34 and 13,219.49 is: 19,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.32 : 55,366.34 = 13,219.49 : x
  2. Step 2: Convert to fraction form
    36,910.32/55,366.34 = 13,219.49/x
  3. Step 3: Cross multiply
    36,910.32x = 55,366.34 × 13,219.49
  4. Step 4: Simplify right side
    36,910.32x = 731,914,435.04
  5. Step 5: Solve for x
    x = 731,914,435.04/36,910.32
  6. Step 6: Final answer
    x = 19,829.53

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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.