Home / 51,151.52-76,705.28-17,861.60

Finding the Fourth Proportional to 51,151.52, 76,705.28 and 17,861.60

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Solution

The fourth proportional to 51,151.52, 76,705.28 and 17,861.60 is: 26,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.52 : 76,705.28 = 17,861.60 : x
  2. Step 2: Convert to fraction form
    51,151.52/76,705.28 = 17,861.60/x
  3. Step 3: Cross multiply
    51,151.52x = 76,705.28 × 17,861.60
  4. Step 4: Simplify right side
    51,151.52x = 1,370,079,029.25
  5. Step 5: Solve for x
    x = 1,370,079,029.25/51,151.52
  6. Step 6: Final answer
    x = 26,784.72

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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.