Home / 30,414.62-41,948.85-18,302.48

Finding the Fourth Proportional to 30,414.62, 41,948.85 and 18,302.48

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Solution

The fourth proportional to 30,414.62, 41,948.85 and 18,302.48 is: 25,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.62 : 41,948.85 = 18,302.48 : x
  2. Step 2: Convert to fraction form
    30,414.62/41,948.85 = 18,302.48/x
  3. Step 3: Cross multiply
    30,414.62x = 41,948.85 × 18,302.48
  4. Step 4: Simplify right side
    30,414.62x = 767,767,988.15
  5. Step 5: Solve for x
    x = 767,767,988.15/30,414.62
  6. Step 6: Final answer
    x = 25,243.39

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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.