Home / 40,512.70-55,910.34-22,611.20

Finding the Fourth Proportional to 40,512.70, 55,910.34 and 22,611.20

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Solution

The fourth proportional to 40,512.70, 55,910.34 and 22,611.20 is: 31,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.70 : 55,910.34 = 22,611.20 : x
  2. Step 2: Convert to fraction form
    40,512.70/55,910.34 = 22,611.20/x
  3. Step 3: Cross multiply
    40,512.70x = 55,910.34 × 22,611.20
  4. Step 4: Simplify right side
    40,512.70x = 1,264,199,600.26
  5. Step 5: Solve for x
    x = 1,264,199,600.26/40,512.70
  6. Step 6: Final answer
    x = 31,205.02

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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.