Home / 30,067.18-41,526.82-20,490.67

Finding the Fourth Proportional to 30,067.18, 41,526.82 and 20,490.67

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Solution

The fourth proportional to 30,067.18, 41,526.82 and 20,490.67 is: 28,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.18 : 41,526.82 = 20,490.67 : x
  2. Step 2: Convert to fraction form
    30,067.18/41,526.82 = 20,490.67/x
  3. Step 3: Cross multiply
    30,067.18x = 41,526.82 × 20,490.67
  4. Step 4: Simplify right side
    30,067.18x = 850,912,442.29
  5. Step 5: Solve for x
    x = 850,912,442.29/30,067.18
  6. Step 6: Final answer
    x = 28,300.38

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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.