Home / 30,217.48-41,702.94-18,283.76

Finding the Fourth Proportional to 30,217.48, 41,702.94 and 18,283.76

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Solution

The fourth proportional to 30,217.48, 41,702.94 and 18,283.76 is: 25,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.48 : 41,702.94 = 18,283.76 : x
  2. Step 2: Convert to fraction form
    30,217.48/41,702.94 = 18,283.76/x
  3. Step 3: Cross multiply
    30,217.48x = 41,702.94 × 18,283.76
  4. Step 4: Simplify right side
    30,217.48x = 762,486,546.25
  5. Step 5: Solve for x
    x = 762,486,546.25/30,217.48
  6. Step 6: Final answer
    x = 25,233.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.