Home / 68,384.33-102,566.23-21,631.13

Finding the Fourth Proportional to 68,384.33, 102,566.23 and 21,631.13

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Solution

The fourth proportional to 68,384.33, 102,566.23 and 21,631.13 is: 32,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384.33 : 102,566.23 = 21,631.13 : x
  2. Step 2: Convert to fraction form
    68,384.33/102,566.23 = 21,631.13/x
  3. Step 3: Cross multiply
    68,384.33x = 102,566.23 × 21,631.13
  4. Step 4: Simplify right side
    68,384.33x = 2,218,622,887.83
  5. Step 5: Solve for x
    x = 2,218,622,887.83/68,384.33
  6. Step 6: Final answer
    x = 32,443.44

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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.