Home / 60,739.62-91,110-21,296.70

Finding the Fourth Proportional to 60,739.62, 91,110 and 21,296.70

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Solution

The fourth proportional to 60,739.62, 91,110 and 21,296.70 is: 31,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,739.62 : 91,110 = 21,296.70 : x
  2. Step 2: Convert to fraction form
    60,739.62/91,110 = 21,296.70/x
  3. Step 3: Cross multiply
    60,739.62x = 91,110 × 21,296.70
  4. Step 4: Simplify right side
    60,739.62x = 1,940,342,337
  5. Step 5: Solve for x
    x = 1,940,342,337/60,739.62
  6. Step 6: Final answer
    x = 31,945.25

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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.