Home / 50,919.32-76,360.76-17,630.45

Finding the Fourth Proportional to 50,919.32, 76,360.76 and 17,630.45

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Solution

The fourth proportional to 50,919.32, 76,360.76 and 17,630.45 is: 26,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.32 : 76,360.76 = 17,630.45 : x
  2. Step 2: Convert to fraction form
    50,919.32/76,360.76 = 17,630.45/x
  3. Step 3: Cross multiply
    50,919.32x = 76,360.76 × 17,630.45
  4. Step 4: Simplify right side
    50,919.32x = 1,346,274,472.99
  5. Step 5: Solve for x
    x = 1,346,274,472.99/50,919.32
  6. Step 6: Final answer
    x = 26,439.36

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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.