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Finding the Fourth Proportional to 30,491.33, 45,736.10 and 8,304.89

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Solution

The fourth proportional to 30,491.33, 45,736.10 and 8,304.89 is: 12,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,491.33 : 45,736.10 = 8,304.89 : x
  2. Step 2: Convert to fraction form
    30,491.33/45,736.10 = 8,304.89/x
  3. Step 3: Cross multiply
    30,491.33x = 45,736.10 × 8,304.89
  4. Step 4: Simplify right side
    30,491.33x = 379,833,279.53
  5. Step 5: Solve for x
    x = 379,833,279.53/30,491.33
  6. Step 6: Final answer
    x = 12,457.09

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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.