Home / 56,635.19-84,899.69-19,169.04

Finding the Fourth Proportional to 56,635.19, 84,899.69 and 19,169.04

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Solution

The fourth proportional to 56,635.19, 84,899.69 and 19,169.04 is: 28,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,635.19 : 84,899.69 = 19,169.04 : x
  2. Step 2: Convert to fraction form
    56,635.19/84,899.69 = 19,169.04/x
  3. Step 3: Cross multiply
    56,635.19x = 84,899.69 × 19,169.04
  4. Step 4: Simplify right side
    56,635.19x = 1,627,445,553.60
  5. Step 5: Solve for x
    x = 1,627,445,553.60/56,635.19
  6. Step 6: Final answer
    x = 28,735.59

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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.