Home / 40,139.45-60,217.63-15,178.94

Finding the Fourth Proportional to 40,139.45, 60,217.63 and 15,178.94

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Solution

The fourth proportional to 40,139.45, 60,217.63 and 15,178.94 is: 22,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,139.45 : 60,217.63 = 15,178.94 : x
  2. Step 2: Convert to fraction form
    40,139.45/60,217.63 = 15,178.94/x
  3. Step 3: Cross multiply
    40,139.45x = 60,217.63 × 15,178.94
  4. Step 4: Simplify right side
    40,139.45x = 914,040,018.22
  5. Step 5: Solve for x
    x = 914,040,018.22/40,139.45
  6. Step 6: Final answer
    x = 22,771.61

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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.