Home / 30,614.39-42,247.84-17,185.67

Finding the Fourth Proportional to 30,614.39, 42,247.84 and 17,185.67

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Solution

The fourth proportional to 30,614.39, 42,247.84 and 17,185.67 is: 23,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.39 : 42,247.84 = 17,185.67 : x
  2. Step 2: Convert to fraction form
    30,614.39/42,247.84 = 17,185.67/x
  3. Step 3: Cross multiply
    30,614.39x = 42,247.84 × 17,185.67
  4. Step 4: Simplify right side
    30,614.39x = 726,057,563.55
  5. Step 5: Solve for x
    x = 726,057,563.55/30,614.39
  6. Step 6: Final answer
    x = 23,716.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.