Home / 51,261.59-76,910.84-17,986.84

Finding the Fourth Proportional to 51,261.59, 76,910.84 and 17,986.84

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Solution

The fourth proportional to 51,261.59, 76,910.84 and 17,986.84 is: 26,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.59 : 76,910.84 = 17,986.84 : x
  2. Step 2: Convert to fraction form
    51,261.59/76,910.84 = 17,986.84/x
  3. Step 3: Cross multiply
    51,261.59x = 76,910.84 × 17,986.84
  4. Step 4: Simplify right side
    51,261.59x = 1,383,382,826.04
  5. Step 5: Solve for x
    x = 1,383,382,826.04/51,261.59
  6. Step 6: Final answer
    x = 26,986.74

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1.5x scale

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.