Home / 40,415.22-60,634.83-20,707.62

Finding the Fourth Proportional to 40,415.22, 60,634.83 and 20,707.62

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Solution

The fourth proportional to 40,415.22, 60,634.83 and 20,707.62 is: 31,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.22 : 60,634.83 = 20,707.62 : x
  2. Step 2: Convert to fraction form
    40,415.22/60,634.83 = 20,707.62/x
  3. Step 3: Cross multiply
    40,415.22x = 60,634.83 × 20,707.62
  4. Step 4: Simplify right side
    40,415.22x = 1,255,603,018.40
  5. Step 5: Solve for x
    x = 1,255,603,018.40/40,415.22
  6. Step 6: Final answer
    x = 31,067.58

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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.