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Finding the Fourth Proportional to 58,262.96, 80,399.79 and 34,380.92

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Solution

The fourth proportional to 58,262.96, 80,399.79 and 34,380.92 is: 47,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,262.96 : 80,399.79 = 34,380.92 : x
  2. Step 2: Convert to fraction form
    58,262.96/80,399.79 = 34,380.92/x
  3. Step 3: Cross multiply
    58,262.96x = 80,399.79 × 34,380.92
  4. Step 4: Simplify right side
    58,262.96x = 2,764,218,949.01
  5. Step 5: Solve for x
    x = 2,764,218,949.01/58,262.96
  6. Step 6: Final answer
    x = 47,443.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.