Home / 45,636.62-68,461.40-14,049.30

Finding the Fourth Proportional to 45,636.62, 68,461.40 and 14,049.30

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Solution

The fourth proportional to 45,636.62, 68,461.40 and 14,049.30 is: 21,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,636.62 : 68,461.40 = 14,049.30 : x
  2. Step 2: Convert to fraction form
    45,636.62/68,461.40 = 14,049.30/x
  3. Step 3: Cross multiply
    45,636.62x = 68,461.40 × 14,049.30
  4. Step 4: Simplify right side
    45,636.62x = 961,834,782.14
  5. Step 5: Solve for x
    x = 961,834,782.14/45,636.62
  6. Step 6: Final answer
    x = 21,075.94

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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.