Home / 40,109.56-60,173.94-12,407.56

Finding the Fourth Proportional to 40,109.56, 60,173.94 and 12,407.56

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Solution

The fourth proportional to 40,109.56, 60,173.94 and 12,407.56 is: 18,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.56 : 60,173.94 = 12,407.56 : x
  2. Step 2: Convert to fraction form
    40,109.56/60,173.94 = 12,407.56/x
  3. Step 3: Cross multiply
    40,109.56x = 60,173.94 × 12,407.56
  4. Step 4: Simplify right side
    40,109.56x = 746,611,770.99
  5. Step 5: Solve for x
    x = 746,611,770.99/40,109.56
  6. Step 6: Final answer
    x = 18,614.31

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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.