Home / 30,188.88-45,224.36-19,769.04

Finding the Fourth Proportional to 30,188.88, 45,224.36 and 19,769.04

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Solution

The fourth proportional to 30,188.88, 45,224.36 and 19,769.04 is: 29,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.88 : 45,224.36 = 19,769.04 : x
  2. Step 2: Convert to fraction form
    30,188.88/45,224.36 = 19,769.04/x
  3. Step 3: Cross multiply
    30,188.88x = 45,224.36 × 19,769.04
  4. Step 4: Simplify right side
    30,188.88x = 894,042,181.81
  5. Step 5: Solve for x
    x = 894,042,181.81/30,188.88
  6. Step 6: Final answer
    x = 29,614.95

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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.