Home / 40,130.15-60,183.62-12,049.07

Finding the Fourth Proportional to 40,130.15, 60,183.62 and 12,049.07

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Solution

The fourth proportional to 40,130.15, 60,183.62 and 12,049.07 is: 18,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.15 : 60,183.62 = 12,049.07 : x
  2. Step 2: Convert to fraction form
    40,130.15/60,183.62 = 12,049.07/x
  3. Step 3: Cross multiply
    40,130.15x = 60,183.62 × 12,049.07
  4. Step 4: Simplify right side
    40,130.15x = 725,156,589.99
  5. Step 5: Solve for x
    x = 725,156,589.99/40,130.15
  6. Step 6: Final answer
    x = 18,070.12

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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.