Home / 34,119.21-51,234.39-21,054.63

Finding the Fourth Proportional to 34,119.21, 51,234.39 and 21,054.63

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Solution

The fourth proportional to 34,119.21, 51,234.39 and 21,054.63 is: 31,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,119.21 : 51,234.39 = 21,054.63 : x
  2. Step 2: Convert to fraction form
    34,119.21/51,234.39 = 21,054.63/x
  3. Step 3: Cross multiply
    34,119.21x = 51,234.39 × 21,054.63
  4. Step 4: Simplify right side
    34,119.21x = 1,078,721,124.73
  5. Step 5: Solve for x
    x = 1,078,721,124.73/34,119.21
  6. Step 6: Final answer
    x = 31,616.24

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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.