Home / 50,166.36-75,138.48-20,494.17

Finding the Fourth Proportional to 50,166.36, 75,138.48 and 20,494.17

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Solution

The fourth proportional to 50,166.36, 75,138.48 and 20,494.17 is: 30,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,166.36 : 75,138.48 = 20,494.17 : x
  2. Step 2: Convert to fraction form
    50,166.36/75,138.48 = 20,494.17/x
  3. Step 3: Cross multiply
    50,166.36x = 75,138.48 × 20,494.17
  4. Step 4: Simplify right side
    50,166.36x = 1,539,900,782.66
  5. Step 5: Solve for x
    x = 1,539,900,782.66/50,166.36
  6. Step 6: Final answer
    x = 30,695.88

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1.5x scale

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.