Home / 30,134.04-45,170.94-14,311.22

Finding the Fourth Proportional to 30,134.04, 45,170.94 and 14,311.22

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Solution

The fourth proportional to 30,134.04, 45,170.94 and 14,311.22 is: 21,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.04 : 45,170.94 = 14,311.22 : x
  2. Step 2: Convert to fraction form
    30,134.04/45,170.94 = 14,311.22/x
  3. Step 3: Cross multiply
    30,134.04x = 45,170.94 × 14,311.22
  4. Step 4: Simplify right side
    30,134.04x = 646,451,259.95
  5. Step 5: Solve for x
    x = 646,451,259.95/30,134.04
  6. Step 6: Final answer
    x = 21,452.53

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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.