Home / 40,638.32-60,958.68-14,361.20

Finding the Fourth Proportional to 40,638.32, 60,958.68 and 14,361.20

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Solution

The fourth proportional to 40,638.32, 60,958.68 and 14,361.20 is: 21,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.32 : 60,958.68 = 14,361.20 : x
  2. Step 2: Convert to fraction form
    40,638.32/60,958.68 = 14,361.20/x
  3. Step 3: Cross multiply
    40,638.32x = 60,958.68 × 14,361.20
  4. Step 4: Simplify right side
    40,638.32x = 875,439,795.22
  5. Step 5: Solve for x
    x = 875,439,795.22/40,638.32
  6. Step 6: Final answer
    x = 21,542.22

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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.