Home / 30,213.54-45,324.93-15,414.39

Finding the Fourth Proportional to 30,213.54, 45,324.93 and 15,414.39

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Solution

The fourth proportional to 30,213.54, 45,324.93 and 15,414.39 is: 23,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.54 : 45,324.93 = 15,414.39 : x
  2. Step 2: Convert to fraction form
    30,213.54/45,324.93 = 15,414.39/x
  3. Step 3: Cross multiply
    30,213.54x = 45,324.93 × 15,414.39
  4. Step 4: Simplify right side
    30,213.54x = 698,656,147.74
  5. Step 5: Solve for x
    x = 698,656,147.74/30,213.54
  6. Step 6: Final answer
    x = 23,123.94

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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.