Home / 45,438.84-68,169.04-14,274.09

Finding the Fourth Proportional to 45,438.84, 68,169.04 and 14,274.09

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Solution

The fourth proportional to 45,438.84, 68,169.04 and 14,274.09 is: 21,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.84 : 68,169.04 = 14,274.09 : x
  2. Step 2: Convert to fraction form
    45,438.84/68,169.04 = 14,274.09/x
  3. Step 3: Cross multiply
    45,438.84x = 68,169.04 × 14,274.09
  4. Step 4: Simplify right side
    45,438.84x = 973,051,012.17
  5. Step 5: Solve for x
    x = 973,051,012.17/45,438.84
  6. Step 6: Final answer
    x = 21,414.52

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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.