Home / 40,438.24-60,655.20-10,855.60

Finding the Fourth Proportional to 40,438.24, 60,655.20 and 10,855.60

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Solution

The fourth proportional to 40,438.24, 60,655.20 and 10,855.60 is: 16,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.24 : 60,655.20 = 10,855.60 : x
  2. Step 2: Convert to fraction form
    40,438.24/60,655.20 = 10,855.60/x
  3. Step 3: Cross multiply
    40,438.24x = 60,655.20 × 10,855.60
  4. Step 4: Simplify right side
    40,438.24x = 658,448,589.12
  5. Step 5: Solve for x
    x = 658,448,589.12/40,438.24
  6. Step 6: Final answer
    x = 16,282.82

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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.