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Finding the Fourth Proportional to 60,782.76, 91,183.24 and 21,332.92

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Solution

The fourth proportional to 60,782.76, 91,183.24 and 21,332.92 is: 32,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,782.76 : 91,183.24 = 21,332.92 : x
  2. Step 2: Convert to fraction form
    60,782.76/91,183.24 = 21,332.92/x
  3. Step 3: Cross multiply
    60,782.76x = 91,183.24 × 21,332.92
  4. Step 4: Simplify right side
    60,782.76x = 1,945,204,764.26
  5. Step 5: Solve for x
    x = 1,945,204,764.26/60,782.76
  6. Step 6: Final answer
    x = 32,002.57

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1.5x scale

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.