Home / 40,489.58-60,734.37-20,755.55

Finding the Fourth Proportional to 40,489.58, 60,734.37 and 20,755.55

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Solution

The fourth proportional to 40,489.58, 60,734.37 and 20,755.55 is: 31,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.58 : 60,734.37 = 20,755.55 : x
  2. Step 2: Convert to fraction form
    40,489.58/60,734.37 = 20,755.55/x
  3. Step 3: Cross multiply
    40,489.58x = 60,734.37 × 20,755.55
  4. Step 4: Simplify right side
    40,489.58x = 1,260,574,949.58
  5. Step 5: Solve for x
    x = 1,260,574,949.58/40,489.58
  6. Step 6: Final answer
    x = 31,133.32

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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.