Home / 54,263.08-81,389.87-16,822.31

Finding the Fourth Proportional to 54,263.08, 81,389.87 and 16,822.31

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Solution

The fourth proportional to 54,263.08, 81,389.87 and 16,822.31 is: 25,231.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.08 : 81,389.87 = 16,822.31 : x
  2. Step 2: Convert to fraction form
    54,263.08/81,389.87 = 16,822.31/x
  3. Step 3: Cross multiply
    54,263.08x = 81,389.87 × 16,822.31
  4. Step 4: Simplify right side
    54,263.08x = 1,369,165,539.89
  5. Step 5: Solve for x
    x = 1,369,165,539.89/54,263.08
  6. Step 6: Final answer
    x = 25,231.99

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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.