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Finding the Fourth Proportional to 51,392.56, 77,087.72 and 23,690.56

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Solution

The fourth proportional to 51,392.56, 77,087.72 and 23,690.56 is: 35,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.56 : 77,087.72 = 23,690.56 : x
  2. Step 2: Convert to fraction form
    51,392.56/77,087.72 = 23,690.56/x
  3. Step 3: Cross multiply
    51,392.56x = 77,087.72 × 23,690.56
  4. Step 4: Simplify right side
    51,392.56x = 1,826,251,255.92
  5. Step 5: Solve for x
    x = 1,826,251,255.92/51,392.56
  6. Step 6: Final answer
    x = 35,535.32

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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.