Home / 47,011.68-70,517.79-11,951.37

Finding the Fourth Proportional to 47,011.68, 70,517.79 and 11,951.37

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Solution

The fourth proportional to 47,011.68, 70,517.79 and 11,951.37 is: 17,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011.68 : 70,517.79 = 11,951.37 : x
  2. Step 2: Convert to fraction form
    47,011.68/70,517.79 = 11,951.37/x
  3. Step 3: Cross multiply
    47,011.68x = 70,517.79 × 11,951.37
  4. Step 4: Simplify right side
    47,011.68x = 842,784,199.87
  5. Step 5: Solve for x
    x = 842,784,199.87/47,011.68
  6. Step 6: Final answer
    x = 17,927.12

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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.