Home / 50,931.18-76,410.36-17,651.22

Finding the Fourth Proportional to 50,931.18, 76,410.36 and 17,651.22

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Solution

The fourth proportional to 50,931.18, 76,410.36 and 17,651.22 is: 26,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.18 : 76,410.36 = 17,651.22 : x
  2. Step 2: Convert to fraction form
    50,931.18/76,410.36 = 17,651.22/x
  3. Step 3: Cross multiply
    50,931.18x = 76,410.36 × 17,651.22
  4. Step 4: Simplify right side
    50,931.18x = 1,348,736,160.10
  5. Step 5: Solve for x
    x = 1,348,736,160.10/50,931.18
  6. Step 6: Final answer
    x = 26,481.54

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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.