Home / 77,590.85-116,383.96-21,434.33

Finding the Fourth Proportional to 77,590.85, 116,383.96 and 21,434.33

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Solution

The fourth proportional to 77,590.85, 116,383.96 and 21,434.33 is: 32,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,590.85 : 116,383.96 = 21,434.33 : x
  2. Step 2: Convert to fraction form
    77,590.85/116,383.96 = 21,434.33/x
  3. Step 3: Cross multiply
    77,590.85x = 116,383.96 × 21,434.33
  4. Step 4: Simplify right side
    77,590.85x = 2,494,612,442.72
  5. Step 5: Solve for x
    x = 2,494,612,442.72/77,590.85
  6. Step 6: Final answer
    x = 32,150.86

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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.