Home / 30,163.28-45,170.40-17,650.40

Finding the Fourth Proportional to 30,163.28, 45,170.40 and 17,650.40

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Solution

The fourth proportional to 30,163.28, 45,170.40 and 17,650.40 is: 26,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.28 : 45,170.40 = 17,650.40 : x
  2. Step 2: Convert to fraction form
    30,163.28/45,170.40 = 17,650.40/x
  3. Step 3: Cross multiply
    30,163.28x = 45,170.40 × 17,650.40
  4. Step 4: Simplify right side
    30,163.28x = 797,275,628.16
  5. Step 5: Solve for x
    x = 797,275,628.16/30,163.28
  6. Step 6: Final answer
    x = 26,431.99

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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.