Home / 58,276.87-87,433.77-20,836.15

Finding the Fourth Proportional to 58,276.87, 87,433.77 and 20,836.15

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Solution

The fourth proportional to 58,276.87, 87,433.77 and 20,836.15 is: 31,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.87 : 87,433.77 = 20,836.15 : x
  2. Step 2: Convert to fraction form
    58,276.87/87,433.77 = 20,836.15/x
  3. Step 3: Cross multiply
    58,276.87x = 87,433.77 × 20,836.15
  4. Step 4: Simplify right side
    58,276.87x = 1,821,783,146.79
  5. Step 5: Solve for x
    x = 1,821,783,146.79/58,276.87
  6. Step 6: Final answer
    x = 31,260.83

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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.