Home / 38,401.02-57,601.53-12,108.42

Finding the Fourth Proportional to 38,401.02, 57,601.53 and 12,108.42

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Solution

The fourth proportional to 38,401.02, 57,601.53 and 12,108.42 is: 18,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.02 : 57,601.53 = 12,108.42 : x
  2. Step 2: Convert to fraction form
    38,401.02/57,601.53 = 12,108.42/x
  3. Step 3: Cross multiply
    38,401.02x = 57,601.53 × 12,108.42
  4. Step 4: Simplify right side
    38,401.02x = 697,463,517.88
  5. Step 5: Solve for x
    x = 697,463,517.88/38,401.02
  6. Step 6: Final answer
    x = 18,162.63

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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.