Home / 40,845.68-60,991.84-32,431.28

Finding the Fourth Proportional to 40,845.68, 60,991.84 and 32,431.28

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Solution

The fourth proportional to 40,845.68, 60,991.84 and 32,431.28 is: 48,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,845.68 : 60,991.84 = 32,431.28 : x
  2. Step 2: Convert to fraction form
    40,845.68/60,991.84 = 32,431.28/x
  3. Step 3: Cross multiply
    40,845.68x = 60,991.84 × 32,431.28
  4. Step 4: Simplify right side
    40,845.68x = 1,978,043,440.76
  5. Step 5: Solve for x
    x = 1,978,043,440.76/40,845.68
  6. Step 6: Final answer
    x = 48,427.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.