Home / 45,511.82-68,267.72-14,347.06

Finding the Fourth Proportional to 45,511.82, 68,267.72 and 14,347.06

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Solution

The fourth proportional to 45,511.82, 68,267.72 and 14,347.06 is: 21,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,511.82 : 68,267.72 = 14,347.06 : x
  2. Step 2: Convert to fraction form
    45,511.82/68,267.72 = 14,347.06/x
  3. Step 3: Cross multiply
    45,511.82x = 68,267.72 × 14,347.06
  4. Step 4: Simplify right side
    45,511.82x = 979,441,074.90
  5. Step 5: Solve for x
    x = 979,441,074.90/45,511.82
  6. Step 6: Final answer
    x = 21,520.59

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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.