Home / 47,821.60-71,426.42-43,311.92

Finding the Fourth Proportional to 47,821.60, 71,426.42 and 43,311.92

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Solution

The fourth proportional to 47,821.60, 71,426.42 and 43,311.92 is: 64,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.60 : 71,426.42 = 43,311.92 : x
  2. Step 2: Convert to fraction form
    47,821.60/71,426.42 = 43,311.92/x
  3. Step 3: Cross multiply
    47,821.60x = 71,426.42 × 43,311.92
  4. Step 4: Simplify right side
    47,821.60x = 3,093,615,388.93
  5. Step 5: Solve for x
    x = 3,093,615,388.93/47,821.60
  6. Step 6: Final answer
    x = 64,690.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.