Home / 40,242.24-60,363.12-21,890.88

Finding the Fourth Proportional to 40,242.24, 60,363.12 and 21,890.88

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Solution

The fourth proportional to 40,242.24, 60,363.12 and 21,890.88 is: 32,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.24 : 60,363.12 = 21,890.88 : x
  2. Step 2: Convert to fraction form
    40,242.24/60,363.12 = 21,890.88/x
  3. Step 3: Cross multiply
    40,242.24x = 60,363.12 × 21,890.88
  4. Step 4: Simplify right side
    40,242.24x = 1,321,401,816.35
  5. Step 5: Solve for x
    x = 1,321,401,816.35/40,242.24
  6. Step 6: Final answer
    x = 32,836.19

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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.