Home / 30,087.75-45,131.68-16,932.95

Finding the Fourth Proportional to 30,087.75, 45,131.68 and 16,932.95

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Solution

The fourth proportional to 30,087.75, 45,131.68 and 16,932.95 is: 25,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.75 : 45,131.68 = 16,932.95 : x
  2. Step 2: Convert to fraction form
    30,087.75/45,131.68 = 16,932.95/x
  3. Step 3: Cross multiply
    30,087.75x = 45,131.68 × 16,932.95
  4. Step 4: Simplify right side
    30,087.75x = 764,212,445.61
  5. Step 5: Solve for x
    x = 764,212,445.61/30,087.75
  6. Step 6: Final answer
    x = 25,399.45

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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.