Home / 55,110.39-82,642.28-19,580.60

Finding the Fourth Proportional to 55,110.39, 82,642.28 and 19,580.60

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Solution

The fourth proportional to 55,110.39, 82,642.28 and 19,580.60 is: 29,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.39 : 82,642.28 = 19,580.60 : x
  2. Step 2: Convert to fraction form
    55,110.39/82,642.28 = 19,580.60/x
  3. Step 3: Cross multiply
    55,110.39x = 82,642.28 × 19,580.60
  4. Step 4: Simplify right side
    55,110.39x = 1,618,184,916.65
  5. Step 5: Solve for x
    x = 1,618,184,916.65/55,110.39
  6. Step 6: Final answer
    x = 29,362.61

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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.