Home / 40,205.53-55,438.20-25,650.31

Finding the Fourth Proportional to 40,205.53, 55,438.20 and 25,650.31

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Solution

The fourth proportional to 40,205.53, 55,438.20 and 25,650.31 is: 35,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.53 : 55,438.20 = 25,650.31 : x
  2. Step 2: Convert to fraction form
    40,205.53/55,438.20 = 25,650.31/x
  3. Step 3: Cross multiply
    40,205.53x = 55,438.20 × 25,650.31
  4. Step 4: Simplify right side
    40,205.53x = 1,422,007,015.84
  5. Step 5: Solve for x
    x = 1,422,007,015.84/40,205.53
  6. Step 6: Final answer
    x = 35,368.44

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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.