Home / 40,217.14-60,334.26-12,139.30

Finding the Fourth Proportional to 40,217.14, 60,334.26 and 12,139.30

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Solution

The fourth proportional to 40,217.14, 60,334.26 and 12,139.30 is: 18,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.14 : 60,334.26 = 12,139.30 : x
  2. Step 2: Convert to fraction form
    40,217.14/60,334.26 = 12,139.30/x
  3. Step 3: Cross multiply
    40,217.14x = 60,334.26 × 12,139.30
  4. Step 4: Simplify right side
    40,217.14x = 732,415,682.42
  5. Step 5: Solve for x
    x = 732,415,682.42/40,217.14
  6. Step 6: Final answer
    x = 18,211.53

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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.