Home / 55,586.08-83,379.92-18,146

Finding the Fourth Proportional to 55,586.08, 83,379.92 and 18,146

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Solution

The fourth proportional to 55,586.08, 83,379.92 and 18,146 is: 27,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.08 : 83,379.92 = 18,146 : x
  2. Step 2: Convert to fraction form
    55,586.08/83,379.92 = 18,146/x
  3. Step 3: Cross multiply
    55,586.08x = 83,379.92 × 18,146
  4. Step 4: Simplify right side
    55,586.08x = 1,513,012,028.32
  5. Step 5: Solve for x
    x = 1,513,012,028.32/55,586.08
  6. Step 6: Final answer
    x = 27,219.26

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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.