Home / 34,002.38-51,003.57-18,518.42

Finding the Fourth Proportional to 34,002.38, 51,003.57 and 18,518.42

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Solution

The fourth proportional to 34,002.38, 51,003.57 and 18,518.42 is: 27,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,002.38 : 51,003.57 = 18,518.42 : x
  2. Step 2: Convert to fraction form
    34,002.38/51,003.57 = 18,518.42/x
  3. Step 3: Cross multiply
    34,002.38x = 51,003.57 × 18,518.42
  4. Step 4: Simplify right side
    34,002.38x = 944,505,727.71
  5. Step 5: Solve for x
    x = 944,505,727.71/34,002.38
  6. Step 6: Final answer
    x = 27,777.63

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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.