Home / 47,786.40-71,710.79-17,824.61

Finding the Fourth Proportional to 47,786.40, 71,710.79 and 17,824.61

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Solution

The fourth proportional to 47,786.40, 71,710.79 and 17,824.61 is: 26,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,786.40 : 71,710.79 = 17,824.61 : x
  2. Step 2: Convert to fraction form
    47,786.40/71,710.79 = 17,824.61/x
  3. Step 3: Cross multiply
    47,786.40x = 71,710.79 × 17,824.61
  4. Step 4: Simplify right side
    47,786.40x = 1,278,216,865.81
  5. Step 5: Solve for x
    x = 1,278,216,865.81/47,786.40
  6. Step 6: Final answer
    x = 26,748.55

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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.