Home / 47,830.59-71,716.68-18,216.81

Finding the Fourth Proportional to 47,830.59, 71,716.68 and 18,216.81

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Solution

The fourth proportional to 47,830.59, 71,716.68 and 18,216.81 is: 27,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,830.59 : 71,716.68 = 18,216.81 : x
  2. Step 2: Convert to fraction form
    47,830.59/71,716.68 = 18,216.81/x
  3. Step 3: Cross multiply
    47,830.59x = 71,716.68 × 18,216.81
  4. Step 4: Simplify right side
    47,830.59x = 1,306,449,133.39
  5. Step 5: Solve for x
    x = 1,306,449,133.39/47,830.59
  6. Step 6: Final answer
    x = 27,314.09

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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.