Home / 30,608.20-45,912.30-25,359.40

Finding the Fourth Proportional to 30,608.20, 45,912.30 and 25,359.40

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Solution

The fourth proportional to 30,608.20, 45,912.30 and 25,359.40 is: 38,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.20 : 45,912.30 = 25,359.40 : x
  2. Step 2: Convert to fraction form
    30,608.20/45,912.30 = 25,359.40/x
  3. Step 3: Cross multiply
    30,608.20x = 45,912.30 × 25,359.40
  4. Step 4: Simplify right side
    30,608.20x = 1,164,308,380.62
  5. Step 5: Solve for x
    x = 1,164,308,380.62/30,608.20
  6. Step 6: Final answer
    x = 38,039.10

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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.