Home / 68,628.66-102,962.61-21,885.18

Finding the Fourth Proportional to 68,628.66, 102,962.61 and 21,885.18

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Solution

The fourth proportional to 68,628.66, 102,962.61 and 21,885.18 is: 32,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628.66 : 102,962.61 = 21,885.18 : x
  2. Step 2: Convert to fraction form
    68,628.66/102,962.61 = 21,885.18/x
  3. Step 3: Cross multiply
    68,628.66x = 102,962.61 × 21,885.18
  4. Step 4: Simplify right side
    68,628.66x = 2,253,355,253.12
  5. Step 5: Solve for x
    x = 2,253,355,253.12/68,628.66
  6. Step 6: Final answer
    x = 32,834.03

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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.