Home / 38,816.40-58,138.20-30,003.60

Finding the Fourth Proportional to 38,816.40, 58,138.20 and 30,003.60

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Solution

The fourth proportional to 38,816.40, 58,138.20 and 30,003.60 is: 44,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816.40 : 58,138.20 = 30,003.60 : x
  2. Step 2: Convert to fraction form
    38,816.40/58,138.20 = 30,003.60/x
  3. Step 3: Cross multiply
    38,816.40x = 58,138.20 × 30,003.60
  4. Step 4: Simplify right side
    38,816.40x = 1,744,355,297.52
  5. Step 5: Solve for x
    x = 1,744,355,297.52/38,816.40
  6. Step 6: Final answer
    x = 44,938.62

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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.