Home / 51,191.15-76,738.10-17,889.50

Finding the Fourth Proportional to 51,191.15, 76,738.10 and 17,889.50

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Solution

The fourth proportional to 51,191.15, 76,738.10 and 17,889.50 is: 26,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.15 : 76,738.10 = 17,889.50 : x
  2. Step 2: Convert to fraction form
    51,191.15/76,738.10 = 17,889.50/x
  3. Step 3: Cross multiply
    51,191.15x = 76,738.10 × 17,889.50
  4. Step 4: Simplify right side
    51,191.15x = 1,372,806,342.35
  5. Step 5: Solve for x
    x = 1,372,806,342.35/51,191.15
  6. Step 6: Final answer
    x = 26,817.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.