Home / 30,008.50-41,397.94-19,401.54

Finding the Fourth Proportional to 30,008.50, 41,397.94 and 19,401.54

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Solution

The fourth proportional to 30,008.50, 41,397.94 and 19,401.54 is: 26,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.50 : 41,397.94 = 19,401.54 : x
  2. Step 2: Convert to fraction form
    30,008.50/41,397.94 = 19,401.54/x
  3. Step 3: Cross multiply
    30,008.50x = 41,397.94 × 19,401.54
  4. Step 4: Simplify right side
    30,008.50x = 803,183,788.83
  5. Step 5: Solve for x
    x = 803,183,788.83/30,008.50
  6. Step 6: Final answer
    x = 26,765.21

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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.