Home / 55,758.07-83,605.70-18,307.96

Finding the Fourth Proportional to 55,758.07, 83,605.70 and 18,307.96

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Solution

The fourth proportional to 55,758.07, 83,605.70 and 18,307.96 is: 27,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.07 : 83,605.70 = 18,307.96 : x
  2. Step 2: Convert to fraction form
    55,758.07/83,605.70 = 18,307.96/x
  3. Step 3: Cross multiply
    55,758.07x = 83,605.70 × 18,307.96
  4. Step 4: Simplify right side
    55,758.07x = 1,530,649,648.13
  5. Step 5: Solve for x
    x = 1,530,649,648.13/55,758.07
  6. Step 6: Final answer
    x = 27,451.62

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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.