Home / 51,153.08-76,724.76-17,867

Finding the Fourth Proportional to 51,153.08, 76,724.76 and 17,867

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Solution

The fourth proportional to 51,153.08, 76,724.76 and 17,867 is: 26,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.08 : 76,724.76 = 17,867 : x
  2. Step 2: Convert to fraction form
    51,153.08/76,724.76 = 17,867/x
  3. Step 3: Cross multiply
    51,153.08x = 76,724.76 × 17,867
  4. Step 4: Simplify right side
    51,153.08x = 1,370,841,286.92
  5. Step 5: Solve for x
    x = 1,370,841,286.92/51,153.08
  6. Step 6: Final answer
    x = 26,798.80

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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.