Home / 34,486.31-51,731.78-13,424.99

Finding the Fourth Proportional to 34,486.31, 51,731.78 and 13,424.99

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Solution

The fourth proportional to 34,486.31, 51,731.78 and 13,424.99 is: 20,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.31 : 51,731.78 = 13,424.99 : x
  2. Step 2: Convert to fraction form
    34,486.31/51,731.78 = 13,424.99/x
  3. Step 3: Cross multiply
    34,486.31x = 51,731.78 × 13,424.99
  4. Step 4: Simplify right side
    34,486.31x = 694,498,613.27
  5. Step 5: Solve for x
    x = 694,498,613.27/34,486.31
  6. Step 6: Final answer
    x = 20,138.38

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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.