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Finding the Fourth Proportional to 30,683.70, 45,951.74 and 17,496.09

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Solution

The fourth proportional to 30,683.70, 45,951.74 and 17,496.09 is: 26,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.70 : 45,951.74 = 17,496.09 : x
  2. Step 2: Convert to fraction form
    30,683.70/45,951.74 = 17,496.09/x
  3. Step 3: Cross multiply
    30,683.70x = 45,951.74 × 17,496.09
  4. Step 4: Simplify right side
    30,683.70x = 803,975,778.70
  5. Step 5: Solve for x
    x = 803,975,778.70/30,683.70
  6. Step 6: Final answer
    x = 26,202.05

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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.