Home / 30,241.20-45,355.88-28,740.95

Finding the Fourth Proportional to 30,241.20, 45,355.88 and 28,740.95

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Solution

The fourth proportional to 30,241.20, 45,355.88 and 28,740.95 is: 43,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.20 : 45,355.88 = 28,740.95 : x
  2. Step 2: Convert to fraction form
    30,241.20/45,355.88 = 28,740.95/x
  3. Step 3: Cross multiply
    30,241.20x = 45,355.88 × 28,740.95
  4. Step 4: Simplify right side
    30,241.20x = 1,303,570,708.80
  5. Step 5: Solve for x
    x = 1,303,570,708.80/30,241.20
  6. Step 6: Final answer
    x = 43,105.79

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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.