Home / 55,663.45-83,505.30-18,213.10

Finding the Fourth Proportional to 55,663.45, 83,505.30 and 18,213.10

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Solution

The fourth proportional to 55,663.45, 83,505.30 and 18,213.10 is: 27,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.45 : 83,505.30 = 18,213.10 : x
  2. Step 2: Convert to fraction form
    55,663.45/83,505.30 = 18,213.10/x
  3. Step 3: Cross multiply
    55,663.45x = 83,505.30 × 18,213.10
  4. Step 4: Simplify right side
    55,663.45x = 1,520,890,379.43
  5. Step 5: Solve for x
    x = 1,520,890,379.43/55,663.45
  6. Step 6: Final answer
    x = 27,322.96

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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.