Home / 45,352.76-68,029.29-13,763.09

Finding the Fourth Proportional to 45,352.76, 68,029.29 and 13,763.09

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Solution

The fourth proportional to 45,352.76, 68,029.29 and 13,763.09 is: 20,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.76 : 68,029.29 = 13,763.09 : x
  2. Step 2: Convert to fraction form
    45,352.76/68,029.29 = 13,763.09/x
  3. Step 3: Cross multiply
    45,352.76x = 68,029.29 × 13,763.09
  4. Step 4: Simplify right side
    45,352.76x = 936,293,410.98
  5. Step 5: Solve for x
    x = 936,293,410.98/45,352.76
  6. Step 6: Final answer
    x = 20,644.68

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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.