Home / 71,591.32-107,390.68-18,283.79

Finding the Fourth Proportional to 71,591.32, 107,390.68 and 18,283.79

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Solution

The fourth proportional to 71,591.32, 107,390.68 and 18,283.79 is: 27,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591.32 : 107,390.68 = 18,283.79 : x
  2. Step 2: Convert to fraction form
    71,591.32/107,390.68 = 18,283.79/x
  3. Step 3: Cross multiply
    71,591.32x = 107,390.68 × 18,283.79
  4. Step 4: Simplify right side
    71,591.32x = 1,963,508,595.37
  5. Step 5: Solve for x
    x = 1,963,508,595.37/71,591.32
  6. Step 6: Final answer
    x = 27,426.63

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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.