Home / 40,355.42-60,477.64-20,592.43

Finding the Fourth Proportional to 40,355.42, 60,477.64 and 20,592.43

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Solution

The fourth proportional to 40,355.42, 60,477.64 and 20,592.43 is: 30,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355.42 : 60,477.64 = 20,592.43 : x
  2. Step 2: Convert to fraction form
    40,355.42/60,477.64 = 20,592.43/x
  3. Step 3: Cross multiply
    40,355.42x = 60,477.64 × 20,592.43
  4. Step 4: Simplify right side
    40,355.42x = 1,245,381,365.59
  5. Step 5: Solve for x
    x = 1,245,381,365.59/40,355.42
  6. Step 6: Final answer
    x = 30,860.33

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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.