Home / 51,289.71-76,917.95-17,086.41

Finding the Fourth Proportional to 51,289.71, 76,917.95 and 17,086.41

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Solution

The fourth proportional to 51,289.71, 76,917.95 and 17,086.41 is: 25,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.71 : 76,917.95 = 17,086.41 : x
  2. Step 2: Convert to fraction form
    51,289.71/76,917.95 = 17,086.41/x
  3. Step 3: Cross multiply
    51,289.71x = 76,917.95 × 17,086.41
  4. Step 4: Simplify right side
    51,289.71x = 1,314,251,160.04
  5. Step 5: Solve for x
    x = 1,314,251,160.04/51,289.71
  6. Step 6: Final answer
    x = 25,624.07

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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.