Home / 40,221.24-60,340.53-12,138.94

Finding the Fourth Proportional to 40,221.24, 60,340.53 and 12,138.94

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Solution

The fourth proportional to 40,221.24, 60,340.53 and 12,138.94 is: 18,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.24 : 60,340.53 = 12,138.94 : x
  2. Step 2: Convert to fraction form
    40,221.24/60,340.53 = 12,138.94/x
  3. Step 3: Cross multiply
    40,221.24x = 60,340.53 × 12,138.94
  4. Step 4: Simplify right side
    40,221.24x = 732,470,073.24
  5. Step 5: Solve for x
    x = 732,470,073.24/40,221.24
  6. Step 6: Final answer
    x = 18,211.03

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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.