Home / 40,451.45-60,679.26-12,375.77

Finding the Fourth Proportional to 40,451.45, 60,679.26 and 12,375.77

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Solution

The fourth proportional to 40,451.45, 60,679.26 and 12,375.77 is: 18,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.45 : 60,679.26 = 12,375.77 : x
  2. Step 2: Convert to fraction form
    40,451.45/60,679.26 = 12,375.77/x
  3. Step 3: Cross multiply
    40,451.45x = 60,679.26 × 12,375.77
  4. Step 4: Simplify right side
    40,451.45x = 750,952,262.13
  5. Step 5: Solve for x
    x = 750,952,262.13/40,451.45
  6. Step 6: Final answer
    x = 18,564.29

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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.