Home / 30,092.20-45,138.30-19,594.60

Finding the Fourth Proportional to 30,092.20, 45,138.30 and 19,594.60

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Solution

The fourth proportional to 30,092.20, 45,138.30 and 19,594.60 is: 29,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.20 : 45,138.30 = 19,594.60 : x
  2. Step 2: Convert to fraction form
    30,092.20/45,138.30 = 19,594.60/x
  3. Step 3: Cross multiply
    30,092.20x = 45,138.30 × 19,594.60
  4. Step 4: Simplify right side
    30,092.20x = 884,466,933.18
  5. Step 5: Solve for x
    x = 884,466,933.18/30,092.20
  6. Step 6: Final answer
    x = 29,391.90

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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.